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
DD #5 Iowa Good 1995 7.0 m 1,277
NO NAME CREEK Iowa Fair 1965 23.8 m 1,277
STOFFERAN CREEK Iowa Fair 1976 11.0 m 1,277
CRANE CREEK Iowa Fair 1961 54.9 m 1,277
OCHEYEDAN RIVER Iowa Good 2002 74.1 m 1,277
MAYNES CREEK Iowa Fair 2005 13.1 m 1,277
RED OAK CREEK Iowa Fair 1968 39.6 m 1,275
DRY RUN CREEK Iowa Poor 1900 10.7 m 1,273
LYTLE CREEK Iowa Good 1982 10.4 m 1,270
BRUSH CREEK Iowa Good 2000 6.4 m 1,270
PLUM CREEK Iowa Fair 1950 13.1 m 1,270
STREAM Iowa Good 2013 37.8 m 1,270
MUNNS CREEK Iowa Fair 1917 13.1 m 1,270
LOCAL STREAM Iowa Good 2019 22.3 m 1,270
CEDAR RIVER Iowa Poor 1969 315.2 m 1,267
PLYMOUTH CREEK Iowa Good 1977 38.1 m 1,267
OTTER CREEK Iowa Good 1991 70.1 m 1,267
STREAM Iowa Fair 1972 46.9 m 1,267
OTTER CREEK OVERFLOW Iowa Good 1991 39.0 m 1,267
DES MOINES RIVER Iowa Poor 1960 127.1 m 1,263
US 30 Iowa Fair 1975 119.2 m 1,261
WHITE BREAST CREEK Iowa Fair 1991 24.1 m 1,260
WHITE BREAST CREEK Iowa Fair 1991 20.1 m 1,260
CHARITON RIVER Iowa Fair 1991 58.2 m 1,260
HAMILTON CREEK Iowa Good 1991 25.3 m 1,260
MOSQUITO CK Iowa Poor 1978 31.4 m 1,260
WHITE BREAST CREEK Iowa Fair 1992 75.3 m 1,260
FOX RIVER Iowa Poor 1973 68.9 m 1,260
MOSQUITO CREEK Iowa Poor 1978 21.0 m 1,260
SOUTH CHARITON RIVER Iowa Good 1971 44.5 m 1,260
CREEK Iowa Poor 1973 9.8 m 1,260
BEAR CREEK Iowa Good 2015 61.3 m 1,260
MOSQUITO CREEK Iowa Good 2001 30.5 m 1,260
BRANCH MOSQUITO CREEK Iowa Good 2016 9.0 m 1,260
MINERS CREEK Iowa Good 2018 32.6 m 1,259
I-380 Iowa Fair 1984 145.1 m 1,257
BADGER CREEK Iowa Fair 1977 23.8 m 1,257
WEST BLUE CREEK Iowa Fair 1987 59.4 m 1,257
EAST BLUE CREEK Iowa Fair 1987 46.6 m 1,257
SMALL STREAM Iowa Good 1978 11.6 m 1,257
DRAINAGE DITCH Iowa Fair 1970 9.8 m 1,257
LITTLE WALNUT CREEK Iowa Good 2007 37.5 m 1,257
LITTLE SIOUX RIVER Iowa Fair 1984 113.4 m 1,257
STREAM Iowa Good 1978 8.2 m 1,254
STREAM Iowa Fair 1991 9.1 m 1,252
DRAINAGE DITCH Iowa Fair 1957 7.6 m 1,250
BRANCH PLATTE RIVER Iowa Fair 2003 58.2 m 1,250
PRAIRIE CREEK Iowa Good 1991 11.0 m 1,250
DRAINAGE DITCH Iowa Fair 1974 28.3 m 1,250
TANG CREEK Iowa Good 1969 6.7 m 1,250

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.