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
VOLGA RIVER OVERFLOW Iowa Good 1989 38.1 m 790
VOLGA RIVER Iowa Fair 1989 88.4 m 790
COULEE CREEK Iowa Fair 1989 43.6 m 790
BR VOLGA RIVER Iowa Good 1989 9.8 m 790
SMALL STREAM Iowa Poor 1952 19.5 m 790
SOAP CREEK Iowa Poor 1970 47.2 m 790
N.BR.VOLGA RIVER Iowa Good 1989 42.1 m 790
VOLGA RIVER Iowa Good 1989 34.7 m 790
DEER CREEK Iowa Fair 1994 8.2 m 790
DRAINAGE DITCH Iowa Fair 1986 63.7 m 790
PLYMOUTH CREEK Iowa Good 2020 28.3 m 789
PLYMOUTH CREEK Iowa Good 1975 7.3 m 789
NELSON CREEK Iowa Poor 1966 24.4 m 789
ARGO SLOUGH Iowa Fair 1977 11.6 m 789
NO NAME CREEK Iowa Fair 1966 7.6 m 789
NO NAME CREEK Iowa Good 1966 7.0 m 789
BR W PLATTE RIVER Iowa Poor 1957 17.4 m 788
BOYER RIVER Iowa Fair 1959 76.8 m 788
I-29 Iowa Fair 1959 72.5 m 788
JONES CREEK Iowa Poor 1929 14.3 m 788
HARRIS GROVE CREEK Iowa Fair 1963 13.7 m 788
DREYS DITCH Iowa Poor 1920 9.1 m 787
BR N BLACKHAWK CREEK Iowa Fair 1985 11.6 m 786
SPRING CREEK Iowa Good 2017 7.8 m 786
UNNAMED CREEK Iowa Good 1977 12.2 m 786
NORTH BEAR CREEK Iowa Fair 1993 6.4 m 786
LITTLE WAPSIPINICON Iowa Poor 1967 51.8 m 786
WAPSIPINICON Iowa Good 2014 82.0 m 786
IOWA RIVER Iowa Poor 1968 153.9 m 786
US 18 Iowa Good 1998 68.6 m 786
SMALL STREAM Iowa Good 1987 23.8 m 786
IOWA RIVER OVERFLOW Iowa Poor 1968 9.8 m 786
IOWA RIVER OVERFLOW Iowa Poor 1967 69.2 m 786
CREEK Iowa Good 2022 21.4 m 786
BR N BLACKHAWK CREEK Iowa Good 2004 74.1 m 786
TRIB BLACKHAWK CREEK Iowa Fair 1984 25.3 m 786
CHARLEY WEST. REC. TRAIL Iowa Fair 1967 34.1 m 784
DRAINAGE Iowa Fair 1962 7.6 m 783
FLINT RIVER Iowa Good 2000 88.7 m 780
SPRING CREEK Iowa Good 1969 23.5 m 780
INDIAN CREEK Iowa Poor 1986 17.4 m 780
SOUTH RIVER Iowa Fair 1990 58.5 m 780
BRANCH 0F MUD CREEK Iowa Fair 1985 7.0 m 780
JORDAN CREEK Iowa Good 1979 28.3 m 780
SOLDIER RIVER Iowa Fair 1951 74.7 m 780
STREAM Iowa Fair 1932 11.3 m 780
BEAVER CREEK Iowa Fair 1942 64.6 m 780
STREAM Iowa Fair 1988 41.1 m 780
DRAINAGE Iowa Fair 1960 31.4 m 779
WOLF CREEK Iowa Poor 1950 55.5 m 779

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.