Causeway

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Ahkovak Street Causeway (North Slope Borough, Alaska)
Rehabilitated 2015
Causeway over Isatkoak Lagoon on Ahkovak Street, one concrete culvert
Open to traffic

Antelope Island Causeway (Davis County, Utah)
Built 1992
Causeway over Farmington Bay/Great Salt Lake on Antelope Island Road
Open to traffic

Atlantic Beach-Morehead City Bridge (Carteret County, North Carolina)
Built 1987
Concrete stringer bridge over Bogue Sound (Intracoastal Waterway) on County Route 1182
Open to traffic

Bear River Bay Bridge (Box Elder County, Utah)
Timber stringer bridge over Bear River Bay/Great Salt Lake on Restricted Usage Road
Open to authorized vehicles only

Bryant Patton Memorial Bridge (Franklin County, Florida)
Concrete stringer bridge over Apalachicola Bay on Florida State Route 300
Open to traffic

Ernest Vandiver Causeway (Barbour County, Alabama)
Built 1962
Haunched deck plate girder bridge over Chattahoochee River on U.S. Route 82
Open to traffic

Gateway to the Gulf Expressway (Lafourche Parish, Louisiana)
Built 2010 to replace previous Leeville Vertical-Lift Bridge
Steel stringer bridge over Bayou Lafourche & Various Wetlands on Louisiana Highway 1 Toll Road
Open to traffic

Jubliee Parkway (Baldwin County, Alabama)
Built 1978
Concrete stringer bridge over Mobile Bay on Interstate 10
Open to traffic

Mackworth Island Causeway (Cumberland County, Maine)
Built 1955; rehabilitated 2015
Causeway with through plate girder (former swing) bridge over Casco Bay on Andrews Avenue
Restricted - weight limit 4 tons, one vehicle at a time, all vehicles subject to inspection

UP - Bear River Bay Bridge (Weber County, Utah)
Bridge over Bear River Bay/Great Salt Lake on Union Pacific Railroad & Access Road
Open to railroad traffic and authorized vehicular traffic on access road