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
LOTTS CREEK Iowa Fair 1971 9.2 m 450
PRICE CREEK Iowa Fair 1978 39.6 m 450
BLOODY RUN CREEK Iowa Fair 1966 17.4 m 450
STREAM Iowa Fair 1970 6.7 m 450
KEG CREEK Iowa Fair 1973 29.9 m 450
NORTH BUFFALO CREEK Iowa Good 1994 39.4 m 450
BOUGUS CREEK Iowa Fair 1985 8.8 m 450
MUD CREEK Iowa Good 1999 35.2 m 450
CREEK Iowa Good 2014 6.4 m 450
ELLIOTT CREEK Iowa Good 2014 46.6 m 450
WATERWAY Iowa Poor 1963 43.9 m 450
PRAIRIE CREEK Iowa Poor 1963 23.2 m 450
WATERWAY Iowa Poor 1970 23.8 m 450
MIDDLE RIVER Iowa Poor 1932 78.3 m 450
D.D.NO.90 Iowa Fair 1993 27.4 m 450
BIG SIOUX RIVER Iowa Fair 1966 123.4 m 450
CLANTON CREEK Iowa Good 2022 69.8 m 450
BIG WHISKEY SLOUGH Iowa Good 2008 31.4 m 450
CATFISH CREEK Iowa Fair 1998 38.1 m 450
SUGAR CREEK Iowa Fair 1979 27.7 m 450
UNNAMED STREAM Iowa Poor 1964 39.6 m 450
OLD MANS CREEK Iowa Good 2012 54.6 m 450
SMALL STREAM Iowa Good 1999 7.0 m 450
SMALL Iowa Good 2006 7.9 m 450
CREEK Iowa Good 2006 7.0 m 450
LOST CREEK Iowa Fair 1970 77.4 m 450
SMALL Iowa Good 1979 27.4 m 450
MAPLE RIVER Iowa Poor 1964 23.5 m 450
SMALL STREAM Iowa Fair 1972 6.4 m 450
OVERFLOW CLANTON CREEK Iowa Poor 1932 38.7 m 450
IOWA RIVER Iowa Poor 1961 54.9 m 450
MIDDLE RIVER Iowa Poor 1969 17.4 m 450
ELLIOT CREEK Iowa Good 1999 8.2 m 450
ORANGE CITY SLOUGH Iowa Good 2003 23.8 m 450
MIDDLE FK ENGLISH RIVER Iowa Poor 1970 39.0 m 450
BRANCH RACCOON RIVER Iowa Fair 1998 27.7 m 450
SMALL Iowa Good 1978 26.5 m 450
MUD CREEK Iowa Good 1999 38.1 m 450
NO NAME CREEK Iowa Fair 1971 31.4 m 450
THREE MILE CREEK Iowa Fair 1969 46.9 m 450
SKUNK RIVER Iowa Good 2000 150.0 m 450
SEELY CREEK Iowa Fair 1958 7.0 m 450
RALSTON CREEK Iowa Poor 1935 19.8 m 449
DRAINAGE DITCH 97 Iowa Poor 1968 7.9 m 447
PRAIRIE CREEK Iowa Good 2022 11.3 m 447
CREEK Iowa Good 2008 7.6 m 447
EAST BOYER RIVER Iowa Poor 1958 47.2 m 443
WINNEBAGO RIVER Iowa Poor 1964 66.8 m 442
PAINT CREEK Iowa Fair 1964 39.0 m 442
STREAM Iowa Fair 1963 9.8 m 442

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.