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
SKILLET CREEK Iowa Good 2005 22.9 m 120
MIDDLE RIVER Iowa Poor 1940 29.3 m 120
WEST NODAWAY RIVER Iowa Good 2018 66.1 m 120
DRAINAGE Iowa Poor 1983 11.9 m 118
SMALL STREAM Iowa Fair 1963 9.4 m 118
SMALL STREAM Iowa Fair 1963 9.8 m 118
CREEK Iowa Good 2016 22.3 m 118
PRAIRIE CREEK Iowa Fair 1930 21.9 m 118
TURKEY RIVER Iowa Fair 1936 56.4 m 118
QUARTER SECTION RUN Iowa Fair 1951 37.8 m 118
I-380 Iowa Good 1983 96.0 m 118
STREAM Iowa Good 2003 13.1 m 118
ROBERTS CREEK Iowa Good 1984 54.0 m 118
SHELL ROCK RIVER Iowa Fair 1967 105.2 m 118
VIRDEN CREEK Iowa Good 2016 12.3 m 118
TURTLE CREEK Iowa Fair 1993 14.6 m 118
DRAINAGE Iowa Fair 1984 17.1 m 118
EAST WAPSIPINICON RIVER Iowa Good 1990 46.9 m 118
RUNNING CREEK Iowa Fair 1978 8.5 m 118
I-35 Iowa Fair 1970 89.0 m 118
MAQUOKETA RIVER Iowa Fair 1953 61.0 m 118
LITTLE ASHER CR Iowa Poor 1916 12.8 m 118
CREEK Iowa Good 2000 9.8 m 118
SPRING BRANCH Iowa Poor 1951 25.0 m 118
BEAVER CREEK Iowa Fair 1972 27.4 m 118
SMALL Iowa Good 2003 17.1 m 118
WAPSIPINICON Iowa Fair 1983 50.9 m 118
PINE CREEK Iowa Poor 1938 37.5 m 118
TEN MILE CREEK Iowa Poor 1900 13.4 m 118
OTTER CREEK Iowa Fair 1968 38.7 m 118
SILVER CR Iowa Good 2001 15.9 m 118
STREAM Iowa Good 2021 14.3 m 118
STREAM Iowa Good 2018 9.8 m 118
W BR BUFFALO CREEK Iowa Fair 1957 39.9 m 118
BR LITTLE WAPSIPINICON Iowa Poor 1957 23.5 m 118
PLUM CREEK Iowa Good 2012 46.6 m 118
UPPER IOWA RIVER Iowa Good 2003 39.0 m 118
UPPER IOWA RIVER BRANCH Iowa Fair 1971 18.9 m 118
SMALL STREAM Iowa Good 2021 22.3 m 114
MOSQUITO CREEK Iowa Good 2001 58.5 m 114
STREAM Iowa Good 2002 17.1 m 113
I-80 Iowa Good 1958 65.2 m 113
BLOODY RUN Iowa Good 2004 35.4 m 113
BR TIMBER CREEK Iowa Good 1992 7.6 m 113
BIG CEDAR CREEK Iowa Good 1978 74.7 m 113
PECK CREEK Iowa Poor 1913 12.8 m 113
DEEP CREEK Iowa Good 1986 48.8 m 113
LITTLE FLINT CREEK Iowa Fair 1920 7.9 m 113
CREEK Iowa Good 2011 14.6 m 113
SHOAL CREEK Iowa Good 1995 39.0 m 113

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.