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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
WEST BR SKUNK CK South Dakota Good 2020 34.4 m 490
BEAR CK South Dakota Fair 1976 16.5 m 489
CK South Dakota Good 1983 8.7 m 489
CK South Dakota Good 1983 13.5 m 489
CK South Dakota Good 1983 15.7 m 489
CK South Dakota Fair 1983 12.1 m 489
CK South Dakota Good 1983 11.3 m 489
I029 South Dakota Fair 1961 111.3 m 488
BEAR BUTTE CK South Dakota Good 2019 41.5 m 488
IRON CK South Dakota Fair 1977 12.2 m 487
TRIB TO SPLIT ROCK CK South Dakota Good 2008 6.3 m 486
ROCK CK South Dakota Fair 1976 32.4 m 485
BIG SIOUX RV South Dakota Good 2021 87.5 m 485
VERMILLION RV South Dakota Fair 1988 73.2 m 484
I090 South Dakota Fair 1974 110.5 m 483
NORTH BR TWELVE MILE CK South Dakota Fair 1958 32.2 m 481
GIDLE CK South Dakota Fair 1958 35.7 m 481
DRAINAGE DITCH South Dakota Good 2012 74.7 m 480
TRIB TO BOX ELDER CK South Dakota Good 1940 9.8 m 475
WILLOW CK South Dakota Poor 2001 15.2 m 472
BOXELDER CK South Dakota Fair 1972 27.4 m 471
BURLINGTON NORTHERN RR South Dakota Good 2024 60.3 m 470
CK South Dakota Good 1999 7.7 m 469
ELM CK South Dakota Good 1990 67.2 m 469
CROW CK South Dakota Good 1987 63.7 m 469
BIG SIOUX RV South Dakota Poor 1971 34.1 m 468
JAMES RV South Dakota Good 1975 79.9 m 466
MEDICINE CK South Dakota Fair 1967 52.7 m 464
TRIB TO BIG SIOUX RV South Dakota Fair 1955 6.3 m 463
FORDHAM CK South Dakota Fair 1958 42.7 m 462
NORTH DEER CK South Dakota Poor 1925 22.6 m 462
BR FORDHAM CK South Dakota Fair 1957 20.4 m 462
CK South Dakota Poor 1958 9.4 m 462
BR TIMBER CK South Dakota Fair 1957 28.0 m 462
BR FOSTER CK South Dakota Fair 1956 32.2 m 460
TRIB TO TIMBER CK South Dakota Fair 1956 32.2 m 460
JAMES RV South Dakota Fair 1961 98.5 m 460
CREEK South Dakota Fair 1929 6.3 m 458
JAMES RIVER South Dakota Good 2016 74.6 m 456
MANSFIELD SLOUGH South Dakota Good 2006 12.7 m 455
BIG SIOUX RV OVERFLOW South Dakota Fair 1955 35.8 m 454
BIG SIOUX RV South Dakota Good 2022 64.8 m 454
BIG BEND DAM POWERHOUSE South Dakota Fair 1964 242.2 m 454
I029 South Dakota Good 1979 89.3 m 452
CREEK South Dakota Good 2020 26.8 m 451
I090 South Dakota Good 2010 79.9 m 450
CREEK South Dakota Fair 1956 6.7 m 450
CK South Dakota Fair 1960 6.3 m 450
SPLIT ROCK CREEK South Dakota Poor 1974 77.9 m 448
CK South Dakota Fair 1955 16.5 m 447

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.