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
CROW CREEK Iowa Good 1992 9.1 m 490
ENGLISH RIVER Iowa Fair 1971 68.6 m 490
DRAINAGE DITCH Iowa Fair 1954 7.6 m 490
DRAINAGE DITCH Iowa Fair 1954 6.4 m 490
LYONS CREEK Iowa Poor 1947 13.7 m 490
BROKEN KETTLE CREEK Iowa Fair 1979 61.9 m 490
SM STREAM Iowa Poor 1950 7.3 m 490
BR RAPID CR Iowa Good 2019 17.7 m 490
STREAM Iowa Fair 1900 7.6 m 490
W FORK DES MOINES RIVER Iowa Good 2014 75.3 m 490
BR RAPID CR Iowa Poor 1950 13.4 m 490
EAST FORK CROOKED CREEK Iowa Good 1990 75.0 m 490
DRY RUN CREEK Iowa Fair 1959 44.2 m 490
OTTER CREEK Iowa Good 1992 31.1 m 490
DRAINAGE DITCH Iowa Good 1962 6.4 m 490
LITTLE FLOYD RIVER Iowa Good 1992 27.7 m 489
FLOYD RIVER Iowa Good 1986 41.1 m 489
BROKEN KETTLE CREEK Iowa Good 1976 61.0 m 489
DD 34 LAT #2 Iowa Poor 1979 8.2 m 489
DRAINAGE DITCH NO 3 Iowa Fair 1976 23.8 m 489
PRAIRIE CREEK Iowa Good 2002 39.0 m 489
E FORK DES MOINES RIVER Iowa Good 2021 43.0 m 489
BOYER RIVER Iowa Fair 1950 64.0 m 489
NORTH LIZARD CREEK Iowa Fair 1960 53.3 m 489
BEAR CREEK Iowa Good 2017 11.6 m 489
PRAIRIE CREEK Iowa Fair 1971 39.0 m 489
EAST 102 RIVER Iowa Fair 1993 46.0 m 488
W FORK NISNABOTNA RIVER Iowa Good 2012 92.7 m 488
HANFORD CREEK Iowa Good 2000 12.8 m 488
OVER UPRR Iowa Fair 1980 39.9 m 488
BEAVER CREEK Iowa Fair 1962 38.7 m 488
PORTER CREEK Iowa Fair 1970 31.1 m 488
W FORK W.NISHNABOTNA RIV Iowa Fair 1978 70.1 m 488
STREAM Iowa Good 2007 7.6 m 481
JOHNS CREEK Iowa Good 2013 30.5 m 481
PRAIRIE CREEK Iowa Good 2018 27.4 m 481
PLAQUE MINE CREEK Iowa Poor 1970 7.9 m 481
LITTLE SOAP CREEK Iowa Good 2004 42.1 m 480
LIZARD CREEK Iowa Good 2011 6.4 m 480
ROCK CREEK Iowa Good 2016 30.8 m 480
STREAM Iowa Poor 1966 30.8 m 480
SHELLROCK RIVER Iowa Fair 1986 46.6 m 480
SMALL STREAM Iowa Fair 1980 6.1 m 480
SMALL STREAM Iowa Good 2002 57.6 m 480
STREAM Iowa Good 2002 7.0 m 480
SMALL STREAM Iowa Fair 2002 7.6 m 480
OLD WOMANS CR Iowa Good 2005 6.7 m 480
SOUTH ENGLISH RIVER Iowa Poor 1964 23.5 m 480
S WYACONDAH DITCH Iowa Poor 1968 46.0 m 480
GRANGER CREEK Iowa Fair 1975 27.7 m 480

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.