Keller North America
Rockaway, NJ 07866
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US 90 Bridge Enhancement over Yellow River
Project Information
- Project Location:
- Okaloosa County, FL
- Status:
- Completed
- Structure Type:
- Bridge
References
- Owner:
- Florida DOT
- General Contractor:
- GLF Construction
Scope Of Work
The existing, 1,617-ft-long US 90 bridge over Yellow River is located in an area considered navigable sovereign submerged land. The bridge span passes over the wetlands below as well as the river itself. A new bridge span of similar length was constructed adjacent to the existing bridge, allowing one-way traffic along each structure. In addition to being of daily benefit to Okaloosa County residents, the dual spans provide an enhanced evacuation route through the Florida Panhandle in times of emergency.
The new bridge was designed to be founded on drilled shafts extending 75 ft through the overlying sand and clay and terminating in the underlying marl. The alignment of the new bridge span passes over wetlands that are fully submerged at times of heavy rain, but with stretches that remain above the water line during normal conditions. Both land-based and water-based shafts were therefore installed.
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