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
BEAVER CREEK Iowa Fair 1979 75.3 m 679
OTTER CREEK Iowa Fair 1990 39.3 m 679
CALAMUS CREEK Iowa Good 2020 6.1 m 679
INDIAN CREEK Iowa Fair 2003 39.0 m 678
STREAM Iowa Fair 1960 13.7 m 678
NEELY BRANCH Iowa Poor 1962 47.9 m 678
CREEK Iowa Fair 1985 6.4 m 678
WEST FORK CEDAR RIVER Iowa Fair 2008 184.7 m 678
ROCK CREEK Iowa Fair 1977 35.1 m 678
GIZZARD CREEK Iowa Fair 1958 11.6 m 678
BRANCH IOWA RIVER Iowa Poor 1965 13.4 m 678
CLEAR CREEK Iowa Good 2003 39.0 m 675
INDIAN CREEK Iowa Good 2024 6.1 m 673
ROCK RUN Iowa Fair 1980 9.1 m 672
FAWN CREEK Iowa Good 2020 9.8 m 671
DIVISION CREEK Iowa Good 2020 9.1 m 671
FLINT RIVER Iowa Poor 1974 58.5 m 670
BEAR CREEK Iowa Good 1983 40.5 m 670
STREAM Iowa Good 2022 9.9 m 670
BIG SIOUX RIVER Iowa Fair 1980 176.5 m 670
S. AVERY CREEK Iowa Fair 1975 39.0 m 670
OLD MANS CREEK Iowa Good 2009 61.3 m 670
OLD BOYER RIVER CHANNEL Iowa Fair 1966 19.2 m 670
SPRUCE CREEK Iowa Fair 1982 38.1 m 670
EAST BUTTRICK CREEK Iowa Fair 1955 16.5 m 670
MOON CREEK Iowa Good 2019 27.7 m 670
ELK CREEK Iowa Good 2020 39.9 m 669
DYE CREEK Iowa Fair 1973 6.7 m 669
TURKEY RIVER Iowa Good 2009 60.7 m 669
OLD CHANNEL DES MOINES R Iowa Good 1994 54.6 m 669
DD 81 Iowa Good 1994 75.0 m 669
DD #48 Iowa Good 2005 24.4 m 669
DRAINAGE Iowa Fair 1960 6.7 m 669
EAST BR INDIAN CREEK Iowa Good 1963 25.0 m 669
DRAINAGE DITCH Iowa Fair 1921 15.9 m 669
DRAINAGE DITCH #31 Iowa Fair 1990 30.2 m 669
BRANCH VILLAGE CREEK Iowa Fair 1947 6.7 m 668
EAST TARKIO RIVER Iowa Fair 1993 47.2 m 668
ROBERTS CREEK Iowa Fair 2002 39.0 m 668
W NISHNABOTNA RIVER Iowa Fair 1960 62.2 m 668
JIM CREEK Iowa Poor 1948 46.6 m 668
CREEK Iowa Good 2009 7.6 m 668
SMALL CREEK Iowa Fair 2007 7.3 m 668
CRANE CREEK Iowa Fair 1954 84.4 m 668
FLOOD CREEK Iowa Poor 1930 28.0 m 668
DRY RUN CREEK Iowa Fair 1954 39.0 m 668
STREAM Iowa Fair 1977 13.7 m 663
SOAP CREEK Iowa Fair 1933 14.0 m 660
LYTLES CREEK Iowa Good 2016 49.9 m 660
TOM CREEK Iowa Good 2023 58.5 m 660

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.