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
SMALL STREAM Iowa Fair 1940 6.4 m 290
RACCOON RIVER Iowa Poor 1965 77.1 m 290
DES MOINES RIVER Iowa Good 1996 51.5 m 290
MITCHELL CREEK Iowa Fair 1972 7.3 m 290
BUFFINGTON CREEK Iowa Good 2014 50.0 m 290
DES MOINES RIVER Iowa Good 1996 75.6 m 290
FOX RIVER Iowa Good 2008 49.7 m 290
LONG CREEK Iowa Fair 1965 54.3 m 290
LITTLE MAPLE RIVER Iowa Fair 1971 23.8 m 290
MUD CREEK Iowa Poor 1948 6.7 m 290
MAPLE RIVER Iowa Fair 1961 55.5 m 290
DD NO 100 Iowa Fair 1974 9.8 m 290
MUD CREEK OVERFLOW Iowa Fair 1991 13.1 m 290
MUD CREEK OVERFLOW Iowa Fair 1991 7.6 m 290
SO SKUNK RIVER Iowa Poor 1956 104.5 m 290
MUD CREEK Iowa Good 1998 47.5 m 290
PRARIE CREEK Iowa Good 2003 39.0 m 290
DITCH Iowa Good 1991 10.1 m 290
DRAINAGE DITCH Iowa Poor 1976 7.6 m 290
BRANCH LITTLE SIOUX RVR Iowa Fair 1971 7.6 m 290
TOOLE CREEK Iowa Fair 1970 11.6 m 290
DD 9-13 Iowa Poor 1966 21.0 m 290
OLD MANS CREEK Iowa Fair 1980 69.8 m 290
N FORK MAQUOKETA RIVER Iowa Fair 2005 91.1 m 290
RACOON RIVER Iowa Fair 1972 61.9 m 290
LITTLE MUCHAKINOCK Iowa Poor 1965 28.3 m 290
E FORK DES MOINES RIVER Iowa Good 2014 70.0 m 290
US 20 Iowa Good 1990 81.7 m 290
CARTER CK Iowa Poor 1973 45.7 m 290
DEEP CREEK Iowa Good 1990 34.4 m 290
WEST FORK LITTLE SIOUX Iowa Fair 1963 61.6 m 290
MIDDLE FORK MAQUOKETA Iowa Fair 1972 31.4 m 290
HICKORY CREEK Iowa Fair 1976 7.3 m 290
RIGGS CREEK Iowa Poor 1970 11.0 m 290
NO NAME CREEK Iowa Good 1992 7.6 m 290
MUD CREEK Iowa Poor 1970 38.1 m 290
STREAM Iowa Good 2021 7.6 m 289
LITTLE WALNUT CREEK Iowa Good 2020 33.8 m 289
PLATTE RIVER Iowa Good 2018 67.7 m 289
PLUM CREEK Iowa Good 2017 9.8 m 289
SMALL STREAM Iowa Fair 1934 7.6 m 289
PLUM CREEK Iowa Good 2008 7.0 m 289
HOOSIER CREEK Iowa Good 2023 7.3 m 289
MOSQUITO CREEK Iowa Good 2022 39.9 m 289
MONONA-HARRISON DITCH Iowa Good 2015 65.2 m 289
N RACCOON RIVER Iowa Good 1953 163.7 m 289
JOHNSON CREEK Iowa Good 2023 63.1 m 289
SMALL STREAM Iowa Poor 1934 10.7 m 289
TRIB OF RACCOON RIVER Iowa Fair 1994 7.2 m 289
I-80 Iowa Fair 1961 66.1 m 289

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.