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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
SOUTH BR LONETREE CK South Dakota Good 2012 7.6 m 696
CLEAR LAKE INLET South Dakota Good 1993 7.5 m 692
SOUTH WILLOW CK South Dakota Fair 1962 35.7 m 692
NORTH CANAL South Dakota Fair 1962 9.4 m 692
DRY CK South Dakota Fair 1962 35.7 m 692
SOUTH BR DRY CK South Dakota Fair 1962 6.3 m 692
DEADMAN CK South Dakota Fair 1962 7.6 m 692
CK South Dakota Good 2015 6.3 m 691
CK South Dakota Good 2015 7.5 m 691
CHAPELLE CK South Dakota Poor 1949 59.9 m 691
DRAINAGE CHANNEL South Dakota Good 2002 7.9 m 690
MILL IRON CK South Dakota Good 2005 6.3 m 689
WHITE RV South Dakota Fair 2018 127.4 m 689
SOUTH FORK SNAKE CK South Dakota Poor 1939 37.2 m 688
PARK CK South Dakota Fair 1937 16.5 m 684
CK South Dakota Good 2023 10.0 m 684
BIG SIOUX RV South Dakota Fair 1968 64.0 m 684
CK South Dakota Good 2023 23.8 m 684
CK South Dakota Good 2023 6.9 m 684
CK South Dakota Fair 1940 7.6 m 683
SOUTH BR LONETREE CK South Dakota Fair 1940 6.2 m 683
NORTH BUFFALO CK South Dakota Good 2021 7.1 m 681
BILLOVER CK South Dakota Fair 1968 16.5 m 677
BATTLE CK South Dakota Good 2017 41.8 m 677
BIG BEND DAM SPILLWAY South Dakota Fair 1963 41.1 m 676
EAST VERMILLION LAKE South Dakota Fair 1958 32.2 m 675
HORSEHEAD CK South Dakota Fair 1963 39.2 m 673
CK South Dakota Good 2013 10.0 m 673
BLAIR CK South Dakota Good 2013 6.9 m 673
HORSEHEAD CK South Dakota Good 2014 41.0 m 673
CK South Dakota Poor 1940 20.7 m 672
I090 South Dakota Good 1965 76.8 m 672
BOX ELDER CK South Dakota Fair 1990 22.0 m 671
LONETREE CK South Dakota Good 2010 49.5 m 668
JAMES RV South Dakota Poor 1956 125.4 m 668
COUNSELOR CREEK South Dakota Poor 1965 28.7 m 663
FLAT CK South Dakota Good 1995 35.4 m 663
EAST FLAT CK South Dakota Good 2018 10.4 m 663
GRAND RV South Dakota Fair 1995 59.4 m 663
WHITE RV South Dakota Fair 1954 148.2 m 661
CK South Dakota Fair 1975 26.4 m 661
CK South Dakota Fair 1954 9.5 m 660
GRINDSTONE CK South Dakota Good 2024 16.3 m 660
WILBURN CK South Dakota Good 2024 63.2 m 660
CK South Dakota Fair 1994 7.7 m 660
MEDICINE CK South Dakota Good 1994 23.3 m 660
CK South Dakota Fair 1994 7.2 m 660
WITCHER HOLES CK South Dakota Fair 1994 11.4 m 660
SQUAW CK South Dakota Fair 1994 10.1 m 660
BELCHER CK South Dakota Poor 1955 36.1 m 660

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.