entityType = "role"
schemaVersion = "role.v1"
slug = "role-53-6011-00"
socCode = "53-6011.00"
title = "Bridge and Lock Tenders"
summary = "Operate and tend bridges, canal locks, and lighthouses to permit marine passage on inland waterways, near shores, and at danger points in waterway passages. May supervise such operations. Includes drawbridge operators, lock operators, and slip bridge operators."
aliases = ["Bridge Operator", "Bridge Tender", "Lock Tender", "Bridge Crew Member", "Bridge Leverman", "Bridge Opener", "Bridge Saw Operator", "Bridgeman", "Crossing Tender", "Crossing Watchman", "Dam Attendant", "Dam Operator"]
emergingTasks = []
studyPrograms = []

[preparation]
jobZone = "2"
jobZoneName = "Job Zone 1-2: Very Little to Some Preparation Needed"
education = "Usually requires a high school diploma or GED, though some occupations may not."
experience = "Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training."
svpRange = "(Below 6.0)"

[[preparation.educationDistribution]]
label = "High School Diploma"
percentage = 65

[[preparation.educationDistribution]]
label = "Post-Secondary Certificate"
percentage = 20

[[preparation.educationDistribution]]
label = "Less than a High School Diploma"
percentage = 15

[educationLevel]
category = "High school diploma or equivalent"
slug = "high-school-diploma-or-equivalent"

[market]
medianWage = 58490
meanWage = 56520
pct10Wage = 32690
pct25Wage = 43700
pct75Wage = 69530
pct90Wage = 74400
employment = 2720
areaTitle = "U.S."

[industries]
count = 1

[[industries.top]]
naics = "48-49"
slug = "48-49"
title = "Transportation and Warehousing"
level = "Sector"
employment = 360
medianWage = 47080
lq = 2.76

[[industries.concentrated]]
naics = "48-49"
slug = "48-49"
title = "Transportation and Warehousing"
level = "Sector"
employment = 360
lq = 2.76

[aiOutlook]
teleworkable = false
usageTasks = []

[aiOutlook.index]
value = 21
percentile = 18
band = "Low"
version = "ai-exposure-index-v1"
componentCount = 3

[[aiOutlook.index.components]]
percentile = 31
source = "felten_aioe"

[[aiOutlook.index.components]]
percentile = 31
source = "openai_gpts_are_gpts"

[[aiOutlook.index.components]]
percentile = 0
source = "microsoft_working_with_ai"

[aiOutlook.freyHistorical]
source = "frey"
label = "Computerization probability (Frey & Osborne, 2013)"
value = 0.97
percentile = 94
band = "High"
note = "A pre-LLM (2013) estimate of how automatable this job is by computerization and robotics. Shown for historical context only — it is not part of any current AI ranking."

[aiOutlook.eloundou]
alpha = 0.2857142857142857
beta = 0.2857142857142857
gamma = 0.2857142857142857

[aiOutlook.bls]
growthPercent = -3.3
growthPercentile = 16
direction = "Declining"
annualOpeningsThousands = 0.3
annualOpeningsPercentile = 4
employment2024Thousands = 2.9
employment2034Thousands = 2.8

[[aiOutlook.exposure]]
source = "felten_aioe"
label = "Overall AI exposure (Felten et al.)"
value = -0.6322159
percentile = 31
band = "Low"
note = "How much this job's abilities overlap with what AI systems can do, across many AI capabilities. A relative research score, not a forecast of job loss."

[[aiOutlook.exposure]]
source = "eloundou_gamma"
label = "LLM task exposure, γ (OpenAI / Eloundou)"
value = 0.2857142857142857
percentile = 31
band = "Low"
note = "Share of this job's tasks where a large language model plus simple tools could cut the time to do them by at least half. γ is capped at 1.0 and many jobs reach that ceiling, so treat a top score as 'in the top group', not a precise rank."

[[aiOutlook.exposure]]
source = "microsoft_applicability"
label = "AI assistant applicability (Microsoft)"
value = 0
percentile = 0
band = "Low"
note = "How applicable today's AI assistants are to this job's activities, measured from real Microsoft Copilot conversations. Applicability is not the same as replacement."

[[aiOutlook.sources]]
source = "bls_employment_projections"
version = "2024-2034"

[[aiOutlook.sources]]
source = "dingel_neiman"
version = "dingel-neiman-workathome"

[[aiOutlook.sources]]
source = "felten_aioe"
version = "felten-raj-seamans-aioe"

[[aiOutlook.sources]]
source = "frey_osborne"
version = "frey-osborne-automation"

[[aiOutlook.sources]]
source = "microsoft_working_with_ai"
version = "working-with-ai"

[[aiOutlook.sources]]
source = "openai_gpts_are_gpts"
version = "gpts-are-gpts"

[counts]
tasks = 18
skills = 35
capabilities = 120
tools = 8
relatedRoles = 20

[source]
dataset = "gold.onet_role_starter_surface"
version = "30.3"
generatedAt = "2026-06-02T21:00:32.945303+00:00"
contentHash = "59c5d222fc2933bc"

[[tasks]]
text = "Turn valves to increase or decrease water levels in locks."
type = "Supplemental"
iwa = "4.A.3.a.3.b"

[[tasks]]
text = "Check that bridges are clear of vehicles and pedestrians prior to opening."
type = "Supplemental"
iwa = "4.A.1.a.2.g"

[[tasks]]
text = "Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges."
type = "Core"
iwa = "4.A.3.a.4.a"

[[tasks]]
text = "Direct movements of vessels in locks or bridge areas, using signals, telecommunication equipment, or loudspeakers."
type = "Core"
iwa = "4.A.3.a.2.r"

[[tasks]]
text = "Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces."
type = "Core"
iwa = "4.A.1.a.2.b"

[[tasks]]
text = "Stop automobile and pedestrian traffic on bridges, and lower automobile gates prior to moving bridges."
type = "Supplemental"
iwa = "4.A.3.a.2.r"

[[tasks]]
text = "Raise drawbridges and observe passage of water traffic or lower drawbridges and raise automobile gates."
type = "Supplemental"
iwa = "4.A.1.a.2.b"

[[tasks]]
text = "Maintain and guard stations in bridges to check waterways for boat traffic."
type = "Supplemental"
iwa = "4.A.1.a.2.b"

[[tasks]]
text = "Record names, types, and destinations of vessels passing through bridge openings or locks, and numbers of trains or vehicles crossing bridges."
type = "Core"
iwa = "4.A.3.b.6.h"

[[tasks]]
text = "Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass."
type = "Core"
iwa = "4.A.1.a.2.b"

[[tasks]]
text = "Move levers to activate traffic signals, navigation lights, and alarms."
type = "Core"
iwa = "4.A.3.a.4.a"

[[tasks]]
text = "Clean and lubricate equipment, and make minor repairs and adjustments."
type = "Supplemental"
iwa = "4.A.3.a.1.c"

[[activities]]
name = "Control equipment that regulates vehicle traffic."
iwa = "4.A.3.a.4.a"

[[activities]]
name = "Record operational details of travel."
iwa = "4.A.3.b.6.h"

[[activities]]
name = "Direct vehicle traffic."
iwa = "4.A.3.a.2.r"

[[activities]]
name = "Prepare accident or incident reports."
iwa = "4.A.3.b.6.o"

[[activities]]
name = "Monitor vehicle movement or location."
iwa = "4.A.1.a.2.b"

[[activities]]
name = "Monitor traffic signals."
iwa = "4.A.1.a.2.d"

[[activities]]
name = "Report vehicle or equipment malfunctions."
iwa = "4.A.4.a.2.g"

[[activities]]
name = "Clean machinery or equipment."
iwa = "4.A.3.a.1.c"

[[activities]]
name = "Arrange maintenance activities."
iwa = "4.A.2.b.5.b"

[[activities]]
name = "Clean facilities or work areas."
iwa = "4.A.3.a.1.c"

[[activities]]
name = "Monitor surroundings to detect potential hazards."
iwa = "4.A.1.a.2.g"

[[activities]]
name = "Control pumps or pumping equipment."
iwa = "4.A.3.a.3.b"

[[activities]]
name = "Secure watercraft to docks, wharves or other vessels."
iwa = "4.A.3.a.2.w"

[[capabilities]]
name = "Public Safety and Security"
family = "knowledge"
value = 3.42

[[capabilities]]
name = "English Language"
family = "knowledge"
value = 3.26

[[capabilities]]
name = "Monitoring"
family = "essential_skill"
value = 3.25

[[capabilities]]
name = "Information Ordering"
family = "ability"
value = 3.25

[[capabilities]]
name = "Near Vision"
family = "ability"
value = 3.25

[[capabilities]]
name = "Selective Attention"
family = "ability"
value = 3.12

[[capabilities]]
name = "Control Precision"
family = "ability"
value = 3.12

[[capabilities]]
name = "Far Vision"
family = "ability"
value = 3.12

[[capabilities]]
name = "Auditory Attention"
family = "ability"
value = 3.12

[[capabilities]]
name = "Active Listening"
family = "essential_skill"
value = 3

[[capabilities]]
name = "Speaking"
family = "essential_skill"
value = 3

[[capabilities]]
name = "Critical Thinking"
family = "essential_skill"
value = 3

[[capabilities]]
name = "Coordination"
family = "transferable_skill"
value = 3

[[capabilities]]
name = "Operations Monitoring"
family = "transferable_skill"
value = 3

[[capabilities]]
name = "Operation and Control"
family = "transferable_skill"
value = 3

[[capabilities]]
name = "Judgment and Decision Making"
family = "transferable_skill"
value = 3

[[capabilities]]
name = "Oral Comprehension"
family = "ability"
value = 3

[[capabilities]]
name = "Oral Expression"
family = "ability"
value = 3

[[capabilities]]
name = "Problem Sensitivity"
family = "ability"
value = 3

[[capabilities]]
name = "Perceptual Speed"
family = "ability"
value = 3

[[capabilities]]
name = "Arm-Hand Steadiness"
family = "ability"
value = 3

[[capabilities]]
name = "Reaction Time"
family = "ability"
value = 3

[[capabilities]]
name = "Hearing Sensitivity"
family = "ability"
value = 3

[[capabilities]]
name = "Speech Recognition"
family = "ability"
value = 3

[[capabilities]]
name = "Speech Clarity"
family = "ability"
value = 3

[[capabilities]]
name = "Telecommunications"
family = "knowledge"
value = 2.95

[[capabilities]]
name = "Education and Training"
family = "knowledge"
value = 2.89

[[capabilities]]
name = "Reading Comprehension"
family = "essential_skill"
value = 2.88

[[capabilities]]
name = "Writing"
family = "essential_skill"
value = 2.88

[[capabilities]]
name = "Service Orientation"
family = "transferable_skill"
value = 2.88

[[capabilities]]
name = "Complex Problem Solving"
family = "transferable_skill"
value = 2.88

[[capabilities]]
name = "Time Management"
family = "transferable_skill"
value = 2.88

[[capabilities]]
name = "Written Comprehension"
family = "ability"
value = 2.88

[[capabilities]]
name = "Deductive Reasoning"
family = "ability"
value = 2.88

[[capabilities]]
name = "Inductive Reasoning"
family = "ability"
value = 2.88

[[capabilities]]
name = "Category Flexibility"
family = "ability"
value = 2.88

[[capabilities]]
name = "Multilimb Coordination"
family = "ability"
value = 2.88

[[capabilities]]
name = "Glare Sensitivity"
family = "ability"
value = 2.88

[[capabilities]]
name = "Transportation"
family = "knowledge"
value = 2.84

[[capabilities]]
name = "Instructing"
family = "transferable_skill"
value = 2.75

[[skills]]
name = "English Language"
type = "Common Skill"

[[skills]]
name = "Information Ordering"
type = "Specialized Skill"

[[skills]]
name = "Speech Recognition"
type = "Specialized Skill"

[[skills]]
name = "Microsoft Word"
type = "Common Skill"

[[skills]]
name = "Microsoft Outlook"
type = "Common Skill"

[[skills]]
name = "Microsoft Excel"
type = "Common Skill"

[[skills]]
name = "Critical Thinking"
type = "Common Skill"

[[skills]]
name = "Active Listening"
type = "Common Skill"

[[skills]]
name = "Telecommunications"
type = "Specialized Skill"

[[skills]]
name = "Writing"
type = "Common Skill"

[[skills]]
name = "Time Management"
type = "Common Skill"

[[skills]]
name = "Reading Comprehension"
type = "Common Skill"

[[skills]]
name = "Inductive Reasoning"
type = "Common Skill"

[[skills]]
name = "Deductive Reasoning"
type = "Common Skill"

[[skills]]
name = "Complex Problem Solving"
type = "Common Skill"

[[skills]]
name = "Instructing"
type = "Specialized Skill"

[[skills]]
name = "Social Perceptiveness"
type = "Common Skill"

[[skills]]
name = "Finger Dexterity"
type = "Common Skill"

[[skills]]
name = "Depth Perception"
type = "Common Skill"

[[skills]]
name = "Visualization"
type = "Specialized Skill"

[[skills]]
name = "Negotiation"
type = "Common Skill"

[[skills]]
name = "Learning Strategies"
type = "Specialized Skill"

[[skills]]
name = "Mathematics"
type = "Common Skill"

[[skills]]
name = "Active Learning"
type = "Common Skill"

[[skills]]
name = "Email Software"
type = "Specialized Skill"

[[skills]]
name = "Geography"
type = "Specialized Skill"

[[skills]]
name = "Systems Analysis"
type = "Specialized Skill"

[[skills]]
name = "Equipment Maintenance"
type = "Specialized Skill"

[[skills]]
name = "Physics"
type = "Specialized Skill"

[[skills]]
name = "Equipment Selection"
type = "Specialized Skill"

[[skills]]
name = "Psychology"
type = "Specialized Skill"

[[skills]]
name = "Chemistry"
type = "Specialized Skill"

[[skills]]
name = "Foreign Language"
type = "Common Skill"

[[skills]]
name = "Biology"
type = "Specialized Skill"

[[skills]]
name = "Installation"
type = "Specialized Skill"

[[tools]]
example = "Microsoft Excel"
category = "Spreadsheet software"
hot = true
inDemand = false

[[tools]]
example = "Microsoft Office software"
category = "Office suite software"
hot = true
inDemand = false

[[tools]]
example = "Microsoft Outlook"
category = "Electronic mail software"
hot = true
inDemand = false

[[tools]]
example = "Microsoft Word"
category = "Word processing software"
hot = true
inDemand = false

[[tools]]
example = "Oracle PeopleSoft"
category = "Enterprise resource planning ERP software"
hot = true
inDemand = false

[[tools]]
example = "SAP software"
category = "Enterprise resource planning ERP software"
hot = true
inDemand = false

[[tools]]
example = "Email software"
category = "Electronic mail software"
hot = false
inDemand = false

[[tools]]
example = "Virtual private networking VPN software"
category = "Network security or virtual private network VPN management software"
hot = false
inDemand = false

[[workContext]]
name = "Indoors, Environmentally Controlled"
value = 4.47

[[workContext]]
name = "Telephone Conversations"
value = 4.32

[[workContext]]
name = "Contact With Others"
value = 4.2

[[workContext]]
name = "Consequence of Error"
value = 4.16

[[workContext]]
name = "Freedom to Make Decisions"
value = 4.15

[[workContext]]
name = "Importance of Being Exact or Accurate"
value = 3.95

[[workContext]]
name = "Face-to-Face Discussions with Individuals and Within Teams"
value = 3.89

[[workContext]]
name = "Impact of Decisions on Co-workers or Company Results"
value = 3.85

[[workContext]]
name = "Determine Tasks, Priorities and Goals"
value = 3.85

[[workContext]]
name = "E-Mail"
value = 3.8

[[workContext]]
name = "Health and Safety of Other Workers"
value = 3.8

[[workContext]]
name = "Frequency of Decision Making"
value = 3.63

[[workContext]]
name = "Deal With External Customers or the Public in General"
value = 3.55

[[workContext]]
name = "Importance of Repeating Same Tasks"
value = 3.53

[[workContext]]
name = "Work With or Contribute to a Work Group or Team"
value = 3.47

[[workContext]]
name = "Outdoors, Exposed to All Weather Conditions"
value = 3.37

[[workContext]]
name = "Wear Common Protective or Safety Equipment such as Safety Shoes, Glasses, Gloves, Hearing Protection, Hard Hats, or Life Jackets"
value = 3.37

[[workContext]]
name = "Written Letters and Memos"
value = 3.21

[[workContext]]
name = "Exposed to High Places"
value = 3.2

[[workContext]]
name = "Spend Time Sitting"
value = 3.2

[[workContext]]
name = "Spend Time Using Your Hands to Handle, Control, or Feel Objects, Tools, or Controls"
value = 3.2

[[workContext]]
name = "Time Pressure"
value = 3.1

[[workContext]]
name = "Indoors, Not Environmentally Controlled"
value = 2.95

[[workContext]]
name = "Exposed to Extremely Bright or Inadequate Lighting Conditions"
value = 2.95

[[workContext]]
name = "Degree of Automation"
value = 2.89

[[workContext]]
name = "Spend Time Standing"
value = 2.84

[[workContext]]
name = "Outdoors, Under Cover"
value = 2.65

[[workContext]]
name = "Coordinate or Lead Others in Accomplishing Work Activities"
value = 2.63

[[workContext]]
name = "Dealing With Unpleasant, Angry, or Discourteous People"
value = 2.63

[[workContext]]
name = "Exposed to Hazardous Equipment"
value = 2.6

[[workContext]]
name = "Spend Time Making Repetitive Motions"
value = 2.6

[[workContext]]
name = "Exposed to Sounds, Noise Levels that are Distracting or Uncomfortable"
value = 2.55

[[workContext]]
name = "In an Enclosed Vehicle or Operate Enclosed Equipment"
value = 2.5

[[workContext]]
name = "Exposed to Very Hot or Cold Temperatures"
value = 2.42

[[workContext]]
name = "Physical Proximity"
value = 2.26

[[workContext]]
name = "Level of Competition"
value = 2.26

[[workContext]]
name = "Pace Determined by Speed of Equipment"
value = 2.26

[[workContext]]
name = "Work Outcomes and Results of Other Workers"
value = 2.21

[[workContext]]
name = "In an Open Vehicle or Operating Equipment"
value = 2.21

[[workContext]]
name = "Conflict Situations"
value = 2.16

[[personFit]]
name = "Realistic"
family = "career_interest_type"
value = 6.15

[[personFit]]
name = "Conventional"
family = "career_interest_type"
value = 4.37

[[personFit]]
name = "Transportation/Machine Operation"
family = "specific_interest_area"
value = 3.93

[[personFit]]
name = "Dependability"
family = "work_style"
value = 3

[[personFit]]
name = "Mechanics/Electronics"
family = "specific_interest_area"
value = 2.86

[[personFit]]
name = "Physical/Manual Labor"
family = "specific_interest_area"
value = 2.67

[[personFit]]
name = "Cautiousness"
family = "work_style"
value = 2.62

[[personFit]]
name = "Enterprising"
family = "career_interest_type"
value = 2.58

[[personFit]]
name = "Investigative"
family = "career_interest_type"
value = 2.4

[[personFit]]
name = "Engineering"
family = "specific_interest_area"
value = 2.21

[[personFit]]
name = "Attention to Detail"
family = "work_style"
value = 2.19

[[personFit]]
name = "Nature/Outdoors"
family = "specific_interest_area"
value = 2.04

[[personFit]]
name = "Protective Service"
family = "specific_interest_area"
value = 1.9

[[personFit]]
name = "Integrity"
family = "work_style"
value = 1.89

[[personFit]]
name = "Social"
family = "career_interest_type"
value = 1.79

[[personFit]]
name = "Management/Administration"
family = "specific_interest_area"
value = 1.62

[[relatedRoles]]
socCode = "53-4022.00"
slug = "role-53-4022-00"
title = "Railroad Brake, Signal, and Switch Operators and Locomotive Firers"
tier = "Primary-Short"

[[relatedRoles]]
socCode = "53-5022.00"
slug = "role-53-5022-00"
title = "Motorboat Operators"
tier = "Primary-Short"

[[relatedRoles]]
socCode = "53-7041.00"
slug = "role-53-7041-00"
title = "Hoist and Winch Operators"
tier = "Primary-Short"

[[relatedRoles]]
socCode = "53-4013.00"
slug = "role-53-4013-00"
title = "Rail Yard Engineers, Dinkey Operators, and Hostlers"
tier = "Primary-Short"

[[relatedRoles]]
socCode = "53-4011.00"
slug = "role-53-4011-00"
title = "Locomotive Engineers"
tier = "Primary-Short"

[[relatedRoles]]
socCode = "53-5021.00"
slug = "role-53-5021-00"
title = "Captains, Mates, and Pilots of Water Vessels"
tier = "Primary-Long"

[[relatedRoles]]
socCode = "53-7021.00"
slug = "role-53-7021-00"
title = "Crane and Tower Operators"
tier = "Primary-Long"

[[relatedRoles]]
socCode = "53-5011.00"
slug = "role-53-5011-00"
title = "Sailors and Marine Oilers"
tier = "Primary-Long"

[[relatedRoles]]
socCode = "53-7051.00"
slug = "role-53-7051-00"
title = "Industrial Truck and Tractor Operators"
tier = "Primary-Long"

[[relatedRoles]]
socCode = "53-4031.00"
slug = "role-53-4031-00"
title = "Railroad Conductors and Yardmasters"
tier = "Primary-Long"

[[relatedRoles]]
socCode = "47-4051.00"
slug = "role-47-4051-00"
title = "Highway Maintenance Workers"
tier = "Supplemental"

[[relatedRoles]]
socCode = "53-5031.00"
slug = "role-53-5031-00"
title = "Ship Engineers"
tier = "Supplemental"

[[careerClusters]]
cluster = "Supply Chain & Transportation"
slug = "supply-chain-transportation"

[[aiSignals]]
source = "frey_osborne"
label = "Computerization probability"
score = 0.97
scale = "0-1 probability"
release = "2013-baseline-2016-employment-snapshot"

[[aiSignals]]
source = "felten_aioe"
label = "AI occupational exposure"
score = -0.6322159
scale = "relative exposure score"
release = "2021-plus-generative-ai-workbooks"

[[aiSignals]]
source = "felten_image_generation_aioe"
label = "Image generation occupational exposure"
score = -0.2284603
scale = "relative exposure score"
release = "2021-plus-generative-ai-workbooks"

[[aiSignals]]
source = "felten_language_modeling_aioe"
label = "Language modeling occupational exposure"
score = -0.7989979
scale = "relative exposure score"
release = "2021-plus-generative-ai-workbooks"
