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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
BIG SIOUX RIVER/BNSF South Dakota Good 2020 293.9 m 10,100
ELLIS & EASTERN RAILROAD South Dakota Good 2019 23.4 m 10,100
BIG SIOUX RIVER/BNSF South Dakota Good 2020 293.9 m 10,100
FRENCH CK South Dakota Fair 1966 20.5 m 10,052
CK South Dakota Good 1966 6.6 m 10,052
238 ST South Dakota Fair 1963 36.3 m 10,030
238 ST South Dakota Fair 1963 36.3 m 10,030
BACHELOR CK South Dakota Fair 1964 46.3 m 10,030
BACHELOR CK South Dakota Fair 1964 46.3 m 10,030
BIG SIOUX RIVER South Dakota Fair 1999 119.5 m 9,978
BR SIX MILE CK South Dakota Fair 1970 7.2 m 9,960
CK South Dakota Fair 1970 6.2 m 9,960
CK South Dakota Fair 1970 7.2 m 9,960
BIG SIOUX DIVERSION South Dakota Fair 1991 95.7 m 9,900
CK South Dakota Fair 1965 6.2 m 9,890
RIVER DRIVE South Dakota Good 1981 38.4 m 9,870
RIVER DRIVE South Dakota Good 1981 38.4 m 9,870
SNAKE CK South Dakota Fair 1960 36.4 m 9,870
SNAKE CK South Dakota Fair 1960 36.4 m 9,870
SADDLE CK South Dakota Fair 1961 32.3 m 9,865
SADDLE CK South Dakota Fair 1961 32.3 m 9,865
DRY RUN CK South Dakota Good 1996 15.0 m 9,756
MARNE CK South Dakota Fair 1971 36.3 m 9,753
CK South Dakota Good 1994 10.9 m 9,638
BIG SIOUX RIVER South Dakota Fair 1988 55.5 m 9,600
I090 South Dakota Fair 2000 81.4 m 9,433
CREEK South Dakota Good 1996 9.5 m 9,400
I090 South Dakota Good 1971 83.3 m 9,388
CK South Dakota Good 1994 12.1 m 9,387
BIG SIOUX RIVER South Dakota Poor 1986 98.8 m 9,363
CK South Dakota Fair 1962 25.3 m 9,360
S ELLSWORTH RD South Dakota Fair 1963 43.3 m 9,360
SOUTH GATE RD CK South Dakota Fair 1963 73.8 m 9,360
RCP&E RR South Dakota Fair 1963 49.5 m 9,360
S ELLSWORTH RD South Dakota Fair 1963 43.3 m 9,360
SOUTH GATE RD CK South Dakota Fair 1963 73.8 m 9,360
RCP&E RR South Dakota Fair 1963 49.5 m 9,360
CK South Dakota Fair 1962 25.3 m 9,360
BIG SIOUX DIVERSION South Dakota Good 1999 138.1 m 9,273
DRAINAGE DITCH South Dakota Fair 1964 6.2 m 9,212
BIG SIOUX RIVER South Dakota Good 1975 70.5 m 9,100
HIGH CK South Dakota Fair 1947 11.5 m 9,071
BOXELDER CK South Dakota Good 1974 118.6 m 9,071
SIX MILE CK South Dakota Fair 1967 34.3 m 9,030
WEST BR SIX MILE CK South Dakota Fair 1967 21.4 m 9,030
TRIB. TO SKUNK CREEK South Dakota Fair 1989 12.5 m 8,892
RAPID CK South Dakota Fair 2003 50.0 m 8,885
SPRING CK South Dakota Fair 1997 48.6 m 8,824
CK South Dakota Fair 1961 32.4 m 8,815
CK South Dakota Fair 1961 32.4 m 8,815

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.