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.

Clear
BridgeLocationConditionYear BuiltLengthADT
BROPHY CREEK Iowa Fair 1964 68.6 m 460
SMALL STREAM Iowa Good 1998 7.3 m 460
TRIB TO MUD CREEK Iowa Good 2021 22.3 m 460
SMALL STREAM Iowa Good 1987 13.4 m 460
S FORK ENGLISH RIVER Iowa Good 2021 58.5 m 460
TRIB S FORK ENGLISH RVR Iowa Fair 1987 9.8 m 460
SOAP CREEK Iowa Fair 1982 24.4 m 460
STREAM Iowa Fair 1900 8.2 m 460
LITTLE BLOOMER CREEK Iowa Fair 1940 7.3 m 460
WILLOW CREEK Iowa Good 2011 26.7 m 460
SKUNK RIVER Iowa Good 2011 179.5 m 460
BADGER CREEK Iowa Fair 1965 15.9 m 459
WEST CREEK Iowa Poor 1958 45.7 m 459
PICKERAL RUN Iowa Poor 1993 39.0 m 459
WEST FORK LITTLE SIOUX Iowa Fair 1961 53.3 m 459
FIELD STREAM Iowa Fair 1971 10.4 m 459
MILL CREEK Iowa Good 1971 31.4 m 459
MIDDLE RACCOON RIVER Iowa Good 1991 39.0 m 459
SKUNK RIVER Iowa Poor 1992 42.1 m 459
MAPLE CREEK Iowa Good 2007 88.7 m 459
BOYER RIVER Iowa Fair 1970 38.4 m 459
DRAINAGE DITCH Iowa Poor 1914 7.0 m 459
WHEELER CREEK Iowa Fair 1968 23.2 m 459
DRY RUN Iowa Fair 1996 9.4 m 459
DRAINAGE Iowa Good 1968 7.0 m 459
SO BR LITTLE FLOYD RIVER Iowa Good 2009 9.8 m 459
IA 60 Iowa Good 2006 90.5 m 459
WALNUT CREEK Iowa Poor 1976 17.7 m 459
DRAINAGE DITCH NO 38 Iowa Good 2016 9.9 m 459
CLOVERDALE CREEK Iowa Poor 1958 25.0 m 459
DAWSON CREEK Iowa Fair 1992 8.2 m 459
UNI BR DRY RUN CREEK Iowa Good 2023 9.1 m 457
STREAM Iowa Poor 1970 8.5 m 453
DRAINAGE Iowa Fair 1900 7.3 m 452
LITTLE WAPSIPINICON Iowa Poor 1967 8.5 m 452
BEAVER CREEK NORTH FORK Iowa Fair 1989 7.3 m 452
LITTLE WAPSIPINICON Iowa Fair 1967 23.5 m 452
SMALL STREAM Iowa Fair 1949 7.0 m 452
BLACKHAWK CREEK Iowa Fair 1993 17.1 m 452
SMALL STREAM Iowa Fair 1925 7.0 m 450
D.D.NO.90 Iowa Fair 1993 27.4 m 450
LITTLE MILL CREEK Iowa Poor 1935 8.2 m 450
CYLINDER CREEK Iowa Fair 2006 6.7 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
WATERWAY Iowa Poor 1970 23.8 m 450
NORTH BUFFALO CREEK Iowa Good 1994 39.4 m 450
MIDDLE RIVER Iowa Poor 1932 78.3 m 450
MUD CREEK Iowa Poor 1970 45.7 m 450

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.