# Bridge and Lock Tenders > 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. - Code: 53-6011.00 (O*NET-SOC; SOC 2018 53-6011) - Family: [Transportation & Material Moving](https://foundation.org.ai/occupations#family-53), one of its 57 occupations - Tasks: 18 tasks (10 core and 8 supplemental) - Page: https://foundation.org.ai/occupations/53-6011.00 - JSON: https://foundation.org.ai/data/tasks/53-6011.00.json ## What the work is made of 1. Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges. Core task · Task 7152 · Rated by 20 occupational experts, August 2020 2. Direct movements of vessels in locks or bridge areas, using signals, telecommunication equipment, or loudspeakers. Core task · Task 7153 · Rated by 20 occupational experts, August 2020 3. Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces. Core task · Task 7156 · Rated by 20 occupational experts, August 2020 4. Record names, types, and destinations of vessels passing through bridge openings or locks, and numbers of trains or vehicles crossing bridges. Core task · Task 7151 · Rated by 20 occupational experts, August 2020 5. Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass. Core task · Task 7155 · Rated by 20 occupational experts, August 2020 6. Move levers to activate traffic signals, navigation lights, and alarms. Core task · Task 7150 · Rated by 20 occupational experts, August 2020 7. Write and submit maintenance work requisitions. Core task · Task 7161 · Rated by 20 occupational experts, August 2020 8. Log data, such as water levels and weather conditions. Core task · Task 7160 · Rated by 20 occupational experts, August 2020 9. Prepare accident reports. Core task · Task 7154 · Rated by 20 occupational experts, August 2020 10. Perform maintenance duties, such as sweeping, painting, and yard work to keep facilities clean and in order. Core task · Task 7162 · Rated by 20 occupational experts, August 2020 11. Turn valves to increase or decrease water levels in locks. Supplemental task · Task 7164 · Rated by 20 occupational experts, August 2020 12. Check that bridges are clear of vehicles and pedestrians prior to opening. Supplemental task · Task 7163 · Rated by 19 occupational experts, August 2020 13. Stop automobile and pedestrian traffic on bridges, and lower automobile gates prior to moving bridges. Supplemental task · Task 7165 · Rated by 20 occupational experts, August 2020 14. Raise drawbridges and observe passage of water traffic or lower drawbridges and raise automobile gates. Supplemental task · Task 7166 · Rated by 20 occupational experts, August 2020 15. Maintain and guard stations in bridges to check waterways for boat traffic. Supplemental task · Task 7157 · Rated by 20 occupational experts, August 2020 16. Clean and lubricate equipment, and make minor repairs and adjustments. Supplemental task · Task 7159 · Rated by 20 occupational experts, August 2020 17. Inspect canal and bridge equipment, and areas, such as roadbeds, for damage or defects, reporting problems to supervisors as necessary. Supplemental task · Task 7158 · Rated by 20 occupational experts, August 2020 18. Attach ropes or cable lines to bitts on lock decks or wharfs to secure vessels. Supplemental task · Task 7169 · Rated by 20 occupational experts, August 2020 ## More in Transportation & Material Moving - [Air Traffic Controllers](https://foundation.org.ai/occupations/53-2021.00): 23 tasks - [Aircraft Cargo Handling Supervisors](https://foundation.org.ai/occupations/53-1041.00): 6 tasks - [Aircraft Service Attendants](https://foundation.org.ai/occupations/53-6032.00): 18 tasks - [Airfield Operations Specialists](https://foundation.org.ai/occupations/53-2022.00): 27 tasks - [Airline Pilots, Copilots, and Flight Engineers](https://foundation.org.ai/occupations/53-2011.00): 24 tasks - [Ambulance Drivers and Attendants, Except Emergency Medical Technicians](https://foundation.org.ai/occupations/53-3011.00): 11 tasks - [Automotive and Watercraft Service Attendants](https://foundation.org.ai/occupations/53-6031.00): 14 tasks - [Aviation Inspectors](https://foundation.org.ai/occupations/53-6051.01): 13 tasks - [Bus Drivers, School](https://foundation.org.ai/occupations/53-3051.00): 17 tasks - 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[Machine Feeders and Offbearers](https://foundation.org.ai/occupations/53-7063.00): 13 tasks - [Material Moving Workers, All Other](https://foundation.org.ai/occupations/53-7199.00): no tasks listed - [Motor Vehicle Operators, All Other](https://foundation.org.ai/occupations/53-3099.00): no tasks listed - [Motorboat Operators](https://foundation.org.ai/occupations/53-5022.00): 16 tasks - [Packers and Packagers, Hand](https://foundation.org.ai/occupations/53-7064.00): 12 tasks - [Parking Attendants](https://foundation.org.ai/occupations/53-6021.00): 15 tasks - [Passenger Attendants](https://foundation.org.ai/occupations/53-6061.00): 12 tasks - [Pump Operators, Except Wellhead Pumpers](https://foundation.org.ai/occupations/53-7072.00): 14 tasks - [Rail Transportation Workers, All Other](https://foundation.org.ai/occupations/53-4099.00): no tasks listed - [Rail Yard Engineers, Dinkey Operators, and Hostlers](https://foundation.org.ai/occupations/53-4013.00): 23 tasks - [Railroad Brake, Signal, and Switch Operators and Locomotive Firers](https://foundation.org.ai/occupations/53-4022.00): 26 tasks - 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