Mowat Construction Company: Projects
- Alaska
- Washington
- Fremont Bridge
- Newport Way to I90 Widening
- Green River Bridge
- Snohomish Machias Bridge
- Sauk River Bridge Replacement
- York Bridge Replacement
- Aurora Bridge
- Edgewick Bridge Replacement
- SR 16, Union to Jackson Steel
- High Bridge Replacement
- Nuclear Fuel Canister Storage Building
- SR 16, Sprague to Snake Lake
- Meydenbauer Bridge Replacement
- I-5, 2nd St. Bridge
- SR 16, Union to Jackson
- York Bridge Superstructure
- Seattle Freeway Park
- Seattle Westlake Park
- Weller Street Elevated Pedestrian Walkway
- Eastgate Transit Access
- Seatac South 160th St. Loop
- Oregon
- Idaho
- Nevada
- Alaska
Mowat Construction Company: Projects
Fremont Bridge Approach Replacement
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| Client/Owner: | City of Seattle Department of Transportation |
| Location: | Seattle, WA |
| Cost: | $24,000,000 (Total Contract Value) |
The Fremont Bridge was constructed in 1917. Spanning the Lake Washington Ship Canal, this bascule bridge provides only 30 feet of clearance without opening. Marine traffic dictates raising the bridge about 35 times a day, making it one of the busiest bascule bridges. This project involved removing and replacing the bridge approaches including foundation and substructure, mechanical and electrical bridge systems, and new and improved traffic signals. In order to keep vehicular traffic moving through the area, four lanes were reduced to two and the substructure was built prior to demolition of each half (lengthwise) of the approach. The North Approach included 500 feet of precast concrete girders; the South Approach 160 feet of bulb tee girders. Overall there was a total of 820 feet in the approaches. Operation of the bridge opening was maintained with a temporary winch and motors while the old motors were replaced. New drives weighing approximately 26,000 lbs each were hoisted through a small opening in the abutment walls.