Dam

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Bagnell Dam Crossing (Miller County, Missouri)
Dam constructed 1929-31 to create Lake of the Ozarks; roadway rehabilitated in 1983
Concrete deck girder roadway on top of Bagnell Dam on Business US 54
Open to traffic

Chippewa Falls Dam (Chippewa County, Wisconsin)
Built 1928 by Northern States Power Company
Hydroelectric dam over Chippewa River in Chippewa Falls
In operation

Condit Dam (Skamania County, Washington)
Built 1913, Demolished October 28th, 2011
Lost Bridge over White Salmon River
Demolished

Cradock Bridge (Middlesex County, Massachusetts)
Built 1880; rehabilitated 1934
Stone arch bridge over Mystic River on Main Street/MA 38
Open to traffic

Delhi Dam (Delaware County, Iowa)
Built 1929, Partially destroyed 2010 when significant rainfall caused dam failure.
Dam over Maquoketa River, top of the dam was used as a bridge.
Road partially rebuilt, but no longer connects across.

Diablo Dam (Whatcom County, Washington)
Built 1930
Concrete Arch Bridge/Dam over Skagit River on Diablo Dam Road
Open to traffic

Eden Park Reservoir Dam (Hamilton County, Ohio)
Built 1878, large portion of main retaining wall removed 1960
Closed-spandrel arch bridge over drained reservoir on Pedestrian Trail
Open to pedestrians only

Elephant Butte Dam Bridge (Sierra County, New Mexico)
Built 1915
Closed-spandrel arch bridge over Rio Grande on Nm52
Closed to all traffic

Fort Hunter Barge Canal Bridge (Montgomery County, New York)
Built 1910; rehabilitated 2003
Pennsylvania through truss bridge over Barge Canal on CR 27 in Tribes Hill
Open to traffic

Fort Loudon Bridge (Loudon County, Tennessee)
Lenoir City Ferry once existed below dam. Bridge wasn't build on top of dam until much later.
Two-lane concrete deck girder bridge anchored to the Fort Loudon Dam, spanning the Tennessee River on US 321/TN 95 in Lenoir City
Replaced by a new bridge

Gathright Dam Intake Tower Footbridge (Alleghany County, Virginia)
Steel rigid frame bridge over Lake Moomaw on Dam Footpath
Open to authorized vehicles only

Goddins Pond Dam (New Kent County, Virginia)
Built to impound a pond for a mill. The mill is long gone, but Goodins Pond remains for recreational purposes.
Slab bridge atop dam over Philbates Creek on VA 600 Holly Fork Road
Open to traffic, 4 ton weight limit

Grand Coulee Dam Bridge (Grant County, Washington)
Built 1941
Open spandrel concrete arch bridge over Columbia River on Grand Coulee Dam in Grand Coulee
Open to traffic

Great Falls Dam Bridge (Warren County, Tennessee)
Built 1925; raised 35 feet in 1924-25 when the dam was raised; rehabilitated 1931
Steel stringer bridge over Caney Fork River on Great Falls Road
Closed to all traffic

Guernsey Dam Spillway Bridge (Platte County, Wyoming)
Built 1926
Concrete tee beam bridge over Guernsey Dam Spillway on Lake Shore Drive
Open to traffic

I-380 5-in-1 Bridge (Linn County, Iowa)
Built 1979 as a multilevel bridge crossing the Cedar River
Stringer bridge over Cedar River on Interstate 380 and street
Open to traffic

Kentucky Dam (Marshall County, Kentucky)
Built between 1938 and 1944; Roadway added 1950
Dam impounding the Tennessee River
Bridge is open to local traffic with a dedicated bicycle and pedestrian path

Kissick Avenue Bridge (Greene County, Missouri)
Built in 1955 with the creation of Lake Springfield
Bridge over Lake Springfield/James River on Kissick Avenue in Springfield
Open to traffic

Lake Britton Dam Bridge (Shasta County, California)
Built 1925
Open-spandrel arch bridge over Pit River on Clark Creek Road
Open to traffic

Lake Bronson State Park Dam Bridge (Kittson County, Minnesota)
Built 1937
Girder bridge over S Br Two Rivers (Dam) on Csah 28
Open to traffic

Lake Overholser Dam (Oklahoma County, Oklahoma)
Built 1918, improved 1922, rehabilitated c.1998
Dam with walkway across the North Canadian River in Oklahoma City
Open to pedestrians

Lake Secession Dam (Abbeville County, South Carolina)
Bridge built on top of dam sometime after completion of dam and has since been abandoned.
Bridge over Rocky River/Lake Secession on Formerly S-1-72
Intact but closed to all traffic

Leaburg Dam/Bridge (Lane County, Oregon)
Built 1929
Polygonal Warren pony truss bridge over Mckenzie River on Leaburg Dam Road
Open to traffic

Lock & Dam 14 (Scott County, Iowa)
Built 1938,
Dam on Mississippi River
Open to boat traffic

Lock & Dam 15 Service Bridge (Scott County, Iowa)
Built 1934
Dam Service Road on Mississippi River
Open to Dam Workers

Lock & Dam 16 (Muscatine County, Iowa)
Built 1937
Dam on Mississippi River
Open to boat traffic

Lock Access Road Bridge (Lauderdale County, Alabama)
Built 1926
Bascule bridge over Wilson Auxiliary Lock on Lock Access Road in Florence
Open to traffic for TVA official use only. A bypass bridge is under construction.

Maple Street Bridge (Windsor County, Vermont)
Built 1960
Deck plate girder bridge over Springfield Dam Spillway on Maple Street
Open to traffic

Mississippi River Headwater Rock Bridge (Clearwater County, Minnesota)
Bridge over Mississippi River on foot path
Open to pedestrians

Mohawk Dam Lock 15 (Montgomery County, New York)
Parker through truss bridge over Mohawk River
Open to river traffic

North Springfield Dam Access Bridge (Windsor County, Vermont)
Deck plate girder bridge over Springfield Dam on Restricted Use Road & Walkway
Open to authorized vehicles and authorized pedestrian traffic only

O'Shaughnessy Dam Bridge (Delaware County, Ohio)
Built 1925
Lost Closed-spandrel arch bridge over Scioto River on Glick Road (CR-126)
Replaced by a new bridge

Park Street Bridge (Windsor County, Vermont)
Built 1916
Concrete arch bridge over Black River Middle Falls on Park Street in Springfield
Open to traffic

Pensacola Dam (Mayes County, Oklahoma)
Built 1940 by the Grand River Dam Authority.
Dam carrying S.H. 28 over Neosho (Grand) River between Langley & Disney.
Open to traffic

Pike Island Lock and Dam (Ohio County, West Virginia)
Built between 1959 and 1965 to replace Locks & Dams 10 and 11
Bridge over Ohio River
Open to traffic

Rapidan Dam (Blue Earth County, Minnesota)
Built 1910
Lost Bridge over Blue Earth River on Road
Dam functional; Roadway replaced by a new bridge 1958

Red Rock Dam (Marion County, Iowa)
Construction began in 1960, completed in 1969
Slab bridge over Des Moines River on Highway T15
Open to traffic

Salmon Falls Dam (Twin Falls County, Idaho)
Built 1910
Bridge over Salmon Falls Creek on Jarbridge Road
Open to traffic

Shell Lake Dam (Osage County, Oklahoma)
Built 1922 by the Sand Springs Home
Concrete dam over Shell Creek on Shell Creek Rd. northwest of Sand Springs
Open to traffic

Stevenson Dam (Fairfield County, Connecticut)
Built 1919
Closed-spandrel arch bridge over Housatonic River on Route 34
Open to traffic

Theodore Roosevelt Dam (Maricopa County, Arizona)
Built 1903-1911, carrying AZ 188. Roadway rerouted to separate bridge in 1992. Dam remains.
Dam on Salt River formerly carrying AZ 188
Replaced by separate bridge when dam reconstructed

Tomorrow River Dam (Portage County, Wisconsin)
A dam was built here in 1858 to power a feed mill
Dam over Tomorrow River onMinneapolis, St. Paul, & Sault Ste. Marie Railroad Spur
Open to pedestrians

Tumalo Irrigation Dam - Bridge (Deschutes County, Oregon)
Built 1914
Concrete arch bridge over Tumalo Irrigation Canal on Seisemore Road
Open to traffic

University Avenue Bridge (Polk County, Iowa)
Built 1917-1920; rehabilitated 1966
Open-spandrel arch bridge over Des Moines River on University Avenue in Des Moines
Open to traffic

US 441 Norris Dam Bridge (Anderson County, Tennessee)
Built 1936 to carry rocks from nearby quarry on west side to abutment on east side of dam; bridge rehabilitated 1986
Concrete girder bridge over Clinch River on US 441
Open to traffic

Victoria Dam (Ontonagon County, Michigan)
Built 1929-1931; Innundated 1996
Inundated dam under Ontanagon River near Rockland
Inundated

Wheeler Dam Bridge (Lawrence County, Alabama)
Built 1937; rehabilitated 1962
Polygonal Warren through truss bridge over Tennessee River on AL 101
Open to traffic

Wilson Dam Bridge (Colbert County, Alabama)
Built 1924; rehabilitated 1958
Girder bridge over Tennessee River on Res Rd
Open to traffic

Wind River Diversion Dam Bridge (Fremont County, Wyoming)
Built 1925 by the Taggart Construction Co.
Eight-span pony truss bridge over Wind River on CR 298 across Wind River Diversion Dam
Open to traffic