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Browse Bridge Database

5,883 bridges in the FHWA National Bridge Inventory in South Dakota.

National Bridge Inventory Database

Browse 5,883 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
SD127 South Dakota Fair 1976 67.4 m 2,705
SD127 South Dakota Fair 1976 67.4 m 2,705
NINE MILE CK South Dakota Good 2011 8.0 m 2,701
MARNE CREEK South Dakota Good 1999 16.7 m 2,700
460 AVE South Dakota Good 1977 30.3 m 2,675
460 AVE South Dakota Good 1977 30.3 m 2,675
DRAINAGE DITCH South Dakota Good 1955 12.0 m 2,674
CK South Dakota Poor 1974 6.2 m 2,666
SNATCH CK South Dakota Fair 1956 43.7 m 2,649
SILVER CREEK South Dakota Good 2019 8.9 m 2,628
R&W RR South Dakota Poor 1953 76.0 m 2,622
AMERICAN CROW CK South Dakota Fair 1954 82.8 m 2,622
CAIN CREEK South Dakota Fair 1935 26.5 m 2,600
I029 South Dakota Good 2017 77.4 m 2,600
I029 South Dakota Fair 1966 77.4 m 2,585
DEER CK South Dakota Fair 1967 22.4 m 2,585
CK South Dakota Good 2009 6.4 m 2,579
LITTLE MINNESOTA RV South Dakota Fair 1982 44.7 m 2,570
LITTLE MINNESOTA RV South Dakota Fair 1982 44.7 m 2,570
DRAINAGE DITCH South Dakota Fair 1980 24.4 m 2,570
DRAINAGE DITCH South Dakota Fair 1980 24.4 m 2,570
CHEYENNE RV South Dakota Fair 1979 218.1 m 2,568
BURLINGTON NOR RR CO RD South Dakota Fair 1978 79.2 m 2,568
BNSF RAILROAD South Dakota Poor 1914 69.5 m 2,560
WEST FORK FROG CK South Dakota Good 2021 11.8 m 2,559
EAST FORK FROG CK South Dakota Fair 1983 6.7 m 2,559
ANTELOPE CK South Dakota Fair 1981 34.1 m 2,544
CK South Dakota Fair 1959 50.9 m 2,539
CK South Dakota Good 2005 6.9 m 2,539
CK South Dakota Fair 1959 50.9 m 2,539
VERMILLION RV South Dakota Good 2020 60.2 m 2,537
ASH CK South Dakota Good 2020 10.0 m 2,537
I090 South Dakota Good 2019 58.2 m 2,533
SLIP-UP CREEK South Dakota Fair 2000 7.8 m 2,530
124 ST GOODWILL CK South Dakota Fair 1982 41.8 m 2,510
124 ST GOODWILL CK South Dakota Fair 1982 41.8 m 2,510
127 ST (FAS) South Dakota Fair 1978 39.0 m 2,510
AGENCY CK South Dakota Fair 1981 28.5 m 2,510
BR HINES CK South Dakota Fair 1981 28.5 m 2,510
CHARLEY CK South Dakota Good 1979 6.2 m 2,510
BR HINES CK South Dakota Fair 1981 28.5 m 2,510
127 ST (FAS) South Dakota Fair 1978 39.0 m 2,510
AGENCY CK South Dakota Good 1981 28.5 m 2,510
BNSF RAILROAD South Dakota Fair 1940 51.8 m 2,500
I029 South Dakota Good 2022 79.3 m 2,500
BIG SIOUX RIVER South Dakota Fair 1939 11.0 m 2,500
WEST BR EMANUEL CK South Dakota Fair 1960 30.3 m 2,498
EMANUEL CK South Dakota Fair 1960 39.2 m 2,498
I090 South Dakota Fair 1965 77.4 m 2,478
ELLIS & EASTERN RAILROAD South Dakota Good 2004 22.0 m 2,472

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.