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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
BUFFALO CK South Dakota Good 2020 11.6 m 883
BOX ELDER CK South Dakota Poor 1973 12.2 m 881
BIG SIOUX RIVER South Dakota Good 1989 104.9 m 880
WILLOW CK South Dakota Poor 1979 20.4 m 878
UNNAMED CK South Dakota Good 2021 7.5 m 876
BEAR BUTTE CK South Dakota Good 2006 30.5 m 875
TRIB TO TIMBER CK South Dakota Fair 1955 26.4 m 875
TRIB TURKEY RIDGE CK South Dakota Good 2019 8.7 m 875
TRIB TURKEY RIDGE CK South Dakota Good 2019 7.1 m 875
TRIB TO BEAR BUTTE CK South Dakota Good 2006 10.0 m 875
TRIB TURKEY RIDGE CK South Dakota Good 2019 7.5 m 875
I090 South Dakota Fair 1965 76.8 m 875
CK South Dakota Good 1949 6.2 m 875
CK South Dakota Good 1948 6.3 m 875
CK South Dakota Fair 1955 7.6 m 875
I090 South Dakota Fair 1964 77.4 m 874
BR LITTLE MINNESOTA RV South Dakota Fair 1953 25.3 m 872
LITTLE MINNESOTA RV South Dakota Poor 1953 63.7 m 872
BR NORTH DEER CK South Dakota Fair 1957 35.7 m 872
COTTONWOOD CK South Dakota Fair 1978 15.2 m 870
OAK CK South Dakota Fair 1980 59.2 m 864
CK South Dakota Good 1980 48.1 m 864
SOUTH FORK SNAKE CK South Dakota Fair 1975 47.2 m 855
DAWSON CK South Dakota Good 2008 14.9 m 853
CK South Dakota Good 2012 6.3 m 853
CK South Dakota Fair 1920 6.2 m 853
BOXELDER CK South Dakota Good 1989 24.4 m 852
BLUE DOG LAKE South Dakota Good 2023 15.2 m 852
CK South Dakota Fair 1953 16.5 m 851
CK South Dakota Fair 1955 32.3 m 851
I029 South Dakota Fair 1961 77.4 m 847
I029 South Dakota Fair 1974 89.3 m 844
CROW CK DITCH South Dakota Fair 1961 35.7 m 836
CHEYENNE CK South Dakota Fair 1940 6.3 m 835
BELLE FOURCHE RV South Dakota Fair 1998 113.4 m 833
FOUR MILE CK South Dakota Good 2015 16.6 m 833
ELM CK South Dakota Good 2012 73.9 m 833
SPOOK CK South Dakota Good 1987 7.6 m 831
WEST BR TURTLE CK South Dakota Fair 1987 6.4 m 831
RED SCAFFOLD CK South Dakota Good 1987 8.0 m 831
MISSOURI RIVER South Dakota Poor 1996 900.1 m 830
BEAVER CK South Dakota Fair 1920 6.2 m 828
BURLINGTON NORTHERN RR South Dakota Fair 1973 62.1 m 826
OAHE LK (GRAND RV) South Dakota Fair 1963 1,219.6 m 826
CREEK South Dakota Good 2001 7.8 m 825
GRACE COOLIDGE CK South Dakota Good 2005 8.1 m 824
GRACE COOLIDGE CK South Dakota Good 2005 8.4 m 824
GRACE COOLIDGE CK South Dakota Good 2005 11.5 m 824
WILLOW CK South Dakota Good 1998 7.5 m 819
ASH CREEK South Dakota Good 1968 32.1 m 814

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.