Browse Bridge Database

23,716 bridges in the FHWA National Bridge Inventory in Iowa.

National Bridge Inventory Database

Browse 23,716 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
BEEDS CREEK Iowa Fair 1962 24.4 m 519
TROUBLESOME CREEK Iowa Good 2015 28.0 m 519
THREE MILE CREEK Iowa Good 2006 6.7 m 518
W FK DES MOINES RIVER Iowa Good 1990 66.1 m 518
PERRY CREEK Iowa Good 1978 50.0 m 518
WORRELL CREEK Iowa Fair 1985 7.6 m 518
PIGEON CREEK Iowa Fair 1982 43.6 m 518
MID BR BOONE RIVER Iowa Fair 1988 24.1 m 518
E. BR BOONE RIVER Iowa Fair 1980 20.7 m 518
CREEK Iowa Good 2002 6.4 m 518
DD #41 Iowa Fair 1991 8.8 m 518
FLOYD RIVER OVERFLOW Iowa Good 2020 25.3 m 518
FLOYD RIVER Iowa Fair 1962 54.0 m 518
S PICAYUNE CREEK Iowa Fair 1979 7.6 m 518
MIDDLE SOLDIER RIVER Iowa Good 2008 40.5 m 518
DRAINAGE Iowa Fair 1970 7.6 m 513
SHELL ROCK RIVER Iowa Good 2020 48.2 m 513
E FORK WAPSIPINICON Iowa Good 2018 9.8 m 511
COLD WATER CREEK Iowa Good 2006 58.5 m 511
SMALL STREAM Iowa Good 2002 27.4 m 511
BR LITTLE TURKEY RIVER Iowa Fair 1965 9.8 m 511
LITTLE TURKEY RIVER Iowa Fair 1965 39.0 m 511
BR LITTLE TURKEY CREEK Iowa Fair 2004 11.6 m 511
BRANCH WILLIAMS CREEK Iowa Fair 1958 8.2 m 511
WHITE WATER CREEK Iowa Fair 1966 23.5 m 511
N BEAVER CREEK Iowa Good 2002 35.4 m 511
E FORK WAPSIPINICON Iowa Good 2017 58.5 m 511
PLEASANT RUN CK Iowa Fair 1985 27.7 m 511
CREEK Iowa Good 2017 21.5 m 511
BRUSH CREEK Iowa Good 2002 38.1 m 511
HICKORY CREEK Iowa Fair 1953 13.4 m 511
CREEK Iowa Poor 1964 10.1 m 511
MASON CREEK Iowa Good 2009 21.3 m 510
CREEK Iowa Fair 1980 10.4 m 510
DRAINAGE DITCH Iowa Fair 1967 9.1 m 510
OVERFLOW OF WAPSIPINICON Iowa Good 2008 26.5 m 510
CREEK Iowa Fair 1989 8.2 m 510
OLD MANS CREEK Iowa Good 1996 69.8 m 510
STREAM Iowa Fair 1900 8.2 m 510
US 218 Iowa Good 1980 78.6 m 510
PILOT CREEK Iowa Fair 1957 43.9 m 510
CREEK Iowa Good 1977 6.4 m 510
DEEP CREEK Iowa Fair 1953 38.1 m 510
S FORK MAQUOKETA RIVER Iowa Fair 1954 125.0 m 510
WANATEE CREEK Iowa Fair 2003 9.4 m 510
LITTLE TARKIO CREEK Iowa Fair 1993 7.6 m 509
BUFFALO CREEK Iowa Good 2022 25.8 m 509
DRY RUN CREEK Iowa Poor 1964 21.3 m 509
MIDDLE NODAWAY RIVER Iowa Fair 1967 55.8 m 509
CREEK Iowa Good 2005 6.4 m 509

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.