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
FLEENER CREEK Iowa Poor 1917 7.6 m 181
FOUR MILE CREEK Iowa Good 2021 16.2 m 180
MIDDLE RACCON RIVER Iowa Good 2000 43.6 m 180
RAPID CREEK Iowa Good 2021 9.1 m 180
STREAM Iowa Fair 1978 31.4 m 180
BLOOD RUN CREEK Iowa Poor 1971 42.1 m 180
SMALL STREAM Iowa Good 1985 6.4 m 180
HOCKET CREEK Iowa Good 2004 35.4 m 180
SMALL STREAM Iowa Good 2004 35.4 m 180
SM STREAM Iowa Fair 1974 7.6 m 180
SPRING CREEK Iowa Good 2015 9.1 m 180
MALONY CREEK Iowa Fair 1985 7.6 m 180
WESTFIELD CREEK Iowa Good 1988 10.4 m 180
W FK W NISHNABOTNA RIVER Iowa Fair 1975 39.0 m 180
WHITE BREAST CREEK Iowa Fair 1962 31.1 m 180
SOUTH WEST CREEK Iowa Fair 1968 11.6 m 180
MUCHAKINOCK CREEK Iowa Poor 1949 13.1 m 180
MILLER CREEK Iowa Good 2021 39.9 m 180
PURGATORY CREEK Iowa Fair 1969 30.5 m 180
STREAM Iowa Poor 1985 25.0 m 180
MIDDLE RIVER Iowa Fair 1971 77.4 m 180
WILLOW CREEK Iowa Fair 1973 39.0 m 180
MIDDLE RIVER Iowa Fair 1971 68.9 m 180
UNION SLOUGH DITCH Iowa Poor 1964 13.4 m 180
STRATTON CREEK Iowa Fair 1967 7.9 m 180
STRATTON Iowa Fair 1967 7.6 m 180
STRATTON CREEK Iowa Good 2012 7.6 m 180
DRAINAGE Iowa Poor 1975 6.7 m 180
DRAINAGE Iowa Poor 1930 8.5 m 180
MIDDLE RIVER Iowa Fair 1981 54.6 m 180
DD NO. 12 Iowa Good 1998 24.1 m 180
BEAR CREEK Iowa Poor 1949 8.2 m 180
DD NO. 12 Iowa Good 1990 28.0 m 180
DD NO. 12 Iowa Good 1990 23.8 m 180
SMALL Iowa Fair 1945 13.1 m 180
DRAINAGE DITCH Iowa Fair 1931 6.7 m 180
SMALL DITCH Iowa Fair 1908 7.6 m 180
KEMP CREEK Iowa Poor 1961 31.4 m 180
WEST BUTTRICKS CREEK Iowa Fair 1970 31.1 m 180
SO LIZARD CK - DD 22 Iowa Poor 1969 17.7 m 180
GINGER CREEK Iowa Fair 1928 9.4 m 180
MIDDLE RIVER Iowa Good 1999 53.6 m 180
BLACK CAT CREEK Iowa Fair 1972 27.5 m 180
KEMP CREEK Iowa Poor 1988 43.3 m 180
JOHNNY CREEK Iowa Good 2020 6.1 m 180
HARTS MILL CREEK Iowa Fair 1978 30.5 m 180
CREEK Iowa Fair 1954 7.6 m 180
ROCK RIVER Iowa Fair 1980 83.2 m 180
BACON CREEK Iowa Fair 1967 46.9 m 180
STREAM Iowa Fair 2013 13.3 m 180

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.