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
SHORT CREEK Iowa Good 2011 30.8 m 540
STREAM Iowa Poor 1968 23.5 m 540
CAMP CREEK Iowa Poor 1965 77.1 m 540
UNNAMED CREEK Iowa Good 2014 6.4 m 540
PRAIRIE CREEK Iowa Good 2012 6.4 m 540
JESSIE BRANCH Iowa Good 2018 26.5 m 540
SMALL STREAM Iowa Good 1999 27.4 m 540
SMALL STREAM Iowa Fair 1953 31.1 m 540
EAST FORK WAPSIPINICON Iowa Good 2022 24.7 m 540
CYLINDER CREEK Iowa Fair 1925 16.8 m 539
WILLOW CREEK Iowa Good 1994 58.2 m 538
MUD CREEK Iowa Fair 1990 12.2 m 538
BLACK CAT CREEK Iowa Fair 1973 31.3 m 538
DRY CREEK Iowa Fair 1966 39.3 m 538
NO NAME CREEK Iowa Poor 1966 13.4 m 538
HOLIDAY CREEK Iowa Fair 1974 7.3 m 538
MILL CREEK Iowa Fair 1979 46.3 m 538
BR SILVER CREEK Iowa Fair 1963 17.7 m 538
SILVER CREEK Iowa Good 2006 24.4 m 538
BEAR CREEK Iowa Poor 1940 10.1 m 538
I-35 Iowa Fair 1971 136.9 m 538
MIDDLE RACCOON RIVER Iowa Fair 1993 39.3 m 537
LONG BRANCH Iowa Fair 1956 17.4 m 537
BEE BRANCH Iowa Poor 1970 7.0 m 537
BUCK CREEK Iowa Fair 2005 39.0 m 537
WALNUT CREEK Iowa Fair 1969 69.8 m 537
AMES CREEK Iowa Good 2004 31.4 m 536
FROG CREEK Iowa Poor 1915 6.7 m 536
W BR INDIAN CREEK Iowa Poor 1936 13.4 m 535
CREEK Iowa Fair 1998 6.1 m 535
CANALS Iowa Good 1996 7.0 m 535
WHITE WATER CREEK Iowa Fair 1996 30.8 m 530
UNION VALLEY CREEK Iowa Good 2007 6.4 m 530
DRY RUN CREEK Iowa Good 2014 31.4 m 530
CALHOUN CREEK Iowa Good 2007 8.2 m 530
PRARIE CREEK Iowa Good 2007 7.3 m 530
CREEK Iowa Fair 1936 7.3 m 530
CATFISH CREEK Iowa Poor 1980 27.7 m 530
SMALL STREAM Iowa Good 2008 31.4 m 530
DRY RUN CREEK Iowa Fair 1979 31.4 m 530
CREEK Iowa Fair 1961 9.4 m 530
DRY RUN CREEK Iowa Fair 1979 23.8 m 530
WEXFORD CREEK Iowa Poor 1970 25.0 m 530
REEDS CREEK Iowa Good 2022 42.3 m 530
STREAM Iowa Good 2015 12.8 m 530
FLOYD RIVER Iowa Good 1989 54.9 m 530
LITTLE WALNUT CREEK Iowa Poor 1967 39.0 m 530
LITTLE ASHER CREEK Iowa Good 2015 6.4 m 530
LIME CREEK Iowa Fair 1978 39.3 m 530
BRANCH WOLF CREEK Iowa Fair 1970 31.1 m 530

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.