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Bridge and Lock Tenders

SOC 53-6011.00Job Zone 2 · Some Preparationv.26.05

Context coveredThis framework covers bridge and lock tender operations across waterway canal locks, highway and railroad drawbridges, and vertically or horizontally adjustable bridge structures, including vessel traffic coordination, machinery control, environmental logging, maintenance requisitioning, and safety compliance.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Bridge and lock control machinery — operate under direct supervision to open and close basic drawbridge mechanisms at a supervised waterway station.
  2. Vessel position and size — observe and report to a senior tender using established visual checkpoints along a canal lock approach.
  3. Whistle signals from approaching vessels — recognize and interpret standard auditory codes under the guidance of an experienced operator.
  4. Traffic signals and navigation lights — activate by moving assigned levers following a step-by-step checklist at a highway drawbridge post.
  5. Vessel passage records — record names, types, and destinations in a pre-formatted logbook under direct supervisor review at the end of each shift.
  6. Water level and weather data — log basic readings into a standardized daily report form with assistance from a senior tender.
  7. Telecommunication equipment — use handheld radio to relay simple vessel directions within a lock area under close operational oversight.
  8. Maintenance issues — identify and verbally report observable equipment defects to a supervisor during routine walkthrough inspections.
  9. Lock space allocation — assist in directing small vessels into appropriate lock spaces by following instructions from a lead tender.
  10. Office suite and word processing software — enter shift data and basic correspondence into templates under direction at a bridge or lock control station.
Developing
Mid-level / Established
  1. Drawbridge and lock machinery — operate independently to open and close horizontally or vertically adjustable bridges during routine vessel traffic periods.
  2. Vessel approach monitoring — assess size, speed, and trajectory of approaching watercraft and make routine passage decisions at a moderately trafficked canal lock.
  3. Vessel movement direction — coordinate vessel positioning within lock chambers using loudspeakers and telecommunication equipment with minimal supervisory input.
  4. Traffic signal and alarm systems — activate navigation lights and auditory alarms in correct sequence to manage concurrent road and waterway traffic flow.
  5. Shift passage logs — accurately record vessel names, types, destinations, and train or vehicle counts in electronic logs using spreadsheet software at the end of each watch.
  6. Water level and weather condition data — collect, verify, and submit environmental readings to operations management using standard reporting protocols.
  7. Maintenance work requisitions — write and submit clear work order requests describing equipment faults observed during daily operational monitoring.
  8. Auditory and visual signal recognition — simultaneously monitor whistle signals, radio communications, and visual cues from multiple vessels approaching a bridge opening.
  9. Lock space utilization — evaluate vessel queue length and dimensions to optimize throughput and reduce vessel waiting time during moderate traffic.
  10. Electronic mail and ERP software — submit routine operational reports and maintenance requests through enterprise systems in accordance with facility procedures.
Proficient
Senior / Expert IC
  1. Canal lock and drawbridge machinery — operate the full range of control systems autonomously across all traffic conditions, including peak vessel and vehicle periods at a major waterway crossing.
  2. Multi-vessel traffic coordination — direct simultaneous movement of several vessels through a lock or bridge area using radio, loudspeaker, and visual signals without supervisory guidance.
  3. Non-routine vessel passage decisions — apply critical thinking to assess oversized or high-speed vessels and determine safe passage timing and lock sequencing independently.
  4. Emergency alarm and signal activation — execute emergency response protocols, including activating alarms and halting bridge traffic, in response to unexpected hazards or vessel incidents.
  5. Comprehensive operational logging — maintain accurate, complete electronic records of all vessel passages, water levels, and weather events using spreadsheet and office suite software across a full operational week.
  6. Equipment condition assessment — conduct systematic inspections of bridge and lock mechanical components and produce detailed maintenance requisitions that accurately describe fault type, severity, and urgency.
  7. Public safety and security protocols — apply knowledge of maritime public safety regulations to enforce compliance among vessel operators and vehicle traffic at the bridge or lock site.
  8. Situational awareness under pressure — maintain selective attention to simultaneous audio and visual signals from vessels, vehicles, and control panels during high-traffic or adverse weather conditions.
  9. Shift handover communication — prepare and deliver thorough verbal and written shift briefings covering operational status, pending maintenance, and notable vessel activity to incoming tenders.
  10. VPN and network security software — access and navigate secure operational networks to retrieve and submit sensitive facility data in accordance with agency security requirements.
Advanced
Lead / Principal / Executive
  1. Facility-wide operational standards — establish and enforce operating procedures for bridge and lock control across multiple posts or shifts at a regional waterway authority.
  2. Tender workforce development — mentor and evaluate emerging and developing tenders through structured on-the-job training programs tied to facility certification requirements.
  3. Strategic traffic throughput planning — analyze historical vessel passage data and seasonal patterns to develop scheduling recommendations that maximize lock and bridge efficiency across a waterway system.
  4. Maintenance program oversight — review and prioritize maintenance work requisitions from multiple tenders, coordinating with engineering and contracting staff to minimize operational downtime.
  5. Emergency response leadership — lead real-time incident response at a bridge or lock site, coordinating with coast guard, law enforcement, and public safety agencies during vessel incidents or structural emergencies.
  6. Regulatory compliance management — interpret and apply federal and state waterway safety and security regulations, ensuring facility operations meet all public safety and environmental reporting obligations.
  7. Operational data quality assurance — review and validate logs, water level records, and passage data submitted by all shift tenders to ensure accuracy for agency reporting and audit purposes.
  8. Technology and systems implementation — evaluate and guide adoption of new ERP, scheduling, or communication software at the facility level, training staff and troubleshooting integration issues.
  9. Cross-agency coordination — represent the facility in meetings with port authorities, transportation departments, and vessel operators to align bridge and lock operational policies across jurisdictions.
  10. Performance standard development — design and implement competency benchmarks and shift performance metrics used to assess tender readiness and continuous improvement across the operation.

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Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

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Sources:Pathsmith™ Durable SkillsPathsmith™ Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
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O*NET enrichment · skillscrosswalk.com

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Source anchors that ground each statement

Related titles
Bridge Crew Member · Bridge Leverman · Bridge Opener · Bridge Operator · Bridge Saw Operator · Bridge Tender · Bridgeman · Crossing Tender · Crossing Watchman · Dam Attendant · Dam Operator · Dam Repairer
RAPIDS apprenticeships
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O*NET skills
MonitoringActive ListeningSpeakingCritical ThinkingCoordinationOperations MonitoringOperation and ControlJudgment and Decision Making
Knowledge domains
Public Safety and SecurityEnglish Language
Abilities
Near VisionInformation OrderingSelective AttentionControl PrecisionFar VisionAuditory AttentionArm-Hand SteadinessReaction TimeHearing SensitivitySpeech Recognition
Work styles
DependabilityCautiousnessAttention to DetailIntegritySelf-ControlCooperation
Technology
Electronic mail softwareSpreadsheet softwareOffice suite softwareWord processing softwareEnterprise resource planning ERP softwareNetwork security or virtual private network VPN management software
Tasks · seed anchors for statements
  1. Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges.
  2. Direct movements of vessels in locks or bridge areas, using signals, telecommunication equipment, or loudspeakers.
  3. Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces.
  4. Record names, types, and destinations of vessels passing through bridge openings or locks, and numbers of trains or vehicles crossing bridges.
  5. Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass.
  6. Move levers to activate traffic signals, navigation lights, and alarms.
  7. Write and submit maintenance work requisitions.
  8. Log data, such as water levels and weather conditions.
CIP education codes
49.020849.010649.010249.010849.010551.0810

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me®, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith™ Durable Skills Framework. © 2026 EBSCOed.