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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
R&W RR South Dakota Poor 1952 64.7 m 4,431
PLATTE CK South Dakota Fair 1964 32.3 m 4,425
PLATTE CK South Dakota Fair 1964 32.3 m 4,425
CHEYENNE RV South Dakota Fair 1964 282.1 m 4,404
BASE LINE RD RCP&E RR South Dakota Good 2002 66.8 m 4,404
CHEYENNE RV South Dakota Fair 1964 282.1 m 4,404
BASE LINE RD RCP&E RR South Dakota Good 2002 66.8 m 4,404
TRIB. TO SKUNK CREEK South Dakota Good 2014 16.2 m 4,400
DRAINAGE CHANNEL South Dakota Good 2000 6.3 m 4,400
REDWATER RV South Dakota Fair 1986 48.6 m 4,388
REDWATER RV South Dakota Good 2005 48.6 m 4,388
SD090 L South Dakota Good 1971 59.4 m 4,382
SD090 L South Dakota Good 1971 59.4 m 4,382
WILLOW CK South Dakota Fair 1973 68.0 m 4,225
WILLOW CK South Dakota Fair 1973 68.0 m 4,225
US212 South Dakota Fair 1971 93.9 m 4,225
US212 South Dakota Fair 1970 93.9 m 4,225
ELM CK South Dakota Fair 2006 9.5 m 4,214
I090 South Dakota Fair 1971 100.8 m 4,211
CK South Dakota Fair 1949 11.4 m 4,206
BIG SIOUX RV OVERFLOW South Dakota Fair 2001 30.4 m 4,162
BIG SIOUX RV OVERFLOW South Dakota Fair 1978 30.4 m 4,162
BIG SIOUX RV South Dakota Fair 2001 213.1 m 4,162
BIG SIOUX RV South Dakota Fair 1978 212.9 m 4,162
BIG SIOUX RV OVERFLOW South Dakota Fair 2001 30.3 m 4,162
BIG SIOUX RV OVERFLOW South Dakota Fair 1978 30.3 m 4,162
BIG SIOUX RV OVERFLOW South Dakota Fair 2001 30.4 m 4,162
BIG SIOUX RV OVERFLOW South Dakota Fair 1978 30.4 m 4,162
NORTH DEER CK South Dakota Fair 2001 56.8 m 4,162
NORTH DEER CK South Dakota Fair 1978 56.8 m 4,162
NORTH DEER CK OVERFLOW South Dakota Fair 2001 22.4 m 4,162
NORTH DEER CK OVERFLOW South Dakota Fair 1979 22.4 m 4,162
CK BURLINGTON NOR RR South Dakota Fair 1974 138.4 m 4,140
164 ST (FAS 6287) South Dakota Fair 1973 38.4 m 4,140
164 ST (FAS 6287) South Dakota Fair 1973 38.4 m 4,140
CK BURLINGTON NOR RR South Dakota Fair 1974 161.2 m 4,140
SPLIT ROCK CK South Dakota Fair 1963 120.3 m 4,101
MARNE CK South Dakota Good 1980 24.4 m 4,096
SKUNK CK South Dakota Fair 1986 58.5 m 4,068
CK South Dakota Fair 1949 7.5 m 4,068
BULL CK South Dakota Fair 1964 57.5 m 4,065
BULL CK South Dakota Fair 1964 57.5 m 4,065
I090 South Dakota Fair 1968 81.2 m 4,052
BIG SIOUX RIVER South Dakota Good 2022 35.4 m 4,035
SD240 South Dakota Fair 1968 38.4 m 3,982
SD240 South Dakota Fair 1968 38.4 m 3,982
SPEARFISH CK South Dakota Poor 1988 25.0 m 3,981
MARNE CREEK South Dakota Poor 1976 12.3 m 3,980
RCP&E RR South Dakota Fair 1968 55.2 m 3,977
RCP&E RR South Dakota Fair 1968 55.2 m 3,977

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.