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
RUNNING SLOUGH DRAIN Iowa Good 2010 31.4 m 260
STREAM Iowa Fair 1900 7.0 m 260
ASHTON CREEK Iowa Poor 1974 31.1 m 260
STREAM Iowa Poor 1956 7.0 m 260
ELWOOD CREEK Iowa Good 1981 30.5 m 260
SMALL STREAM Iowa Good 1981 7.3 m 260
SMALL STREAM Iowa Fair 1974 6.7 m 260
INDIAN CREEK Iowa Fair 1994 6.4 m 260
DRAINAGE DITCH Iowa Fair 1961 6.7 m 260
CLEMONS CREEK Iowa Fair 1990 7.9 m 260
STREAM Iowa Fair 1956 6.7 m 260
NORTH RIVER Iowa Poor 1962 77.4 m 260
SMALL STREAM Iowa Fair 1980 8.8 m 260
KINCAID CREEK Iowa Good 2015 22.3 m 260
STREAM Iowa Fair 1977 54.3 m 260
SPEARMAN BRANCH Iowa Fair 1979 6.4 m 260
LYTLE CREEK Iowa Fair 1992 58.5 m 260
DRAINAGE Iowa Fair 1950 8.2 m 260
CARTERS CREEK Iowa Poor 1967 46.0 m 260
FOUR MILE CREEK Iowa Good 1975 6.7 m 259
JOHNS CREEK Iowa Fair 1971 38.7 m 259
FIELD DRAINAGE DITCH Iowa Fair 1949 9.8 m 259
I-80 Iowa Fair 1959 67.7 m 259
WATERWAY Iowa Fair 1949 10.7 m 259
JORDAN CREEK Iowa Good 2012 8.8 m 259
SEVEN MILE CREEK Iowa Good 2007 58.5 m 259
TARKIO CREEK Iowa Good 2006 16.8 m 259
GOLLS CREEK Iowa Poor 1969 12.2 m 259
CEDAR CREEK Iowa Fair 1964 23.8 m 259
WILLOW CREEK Iowa Fair 2003 39.0 m 259
SOUTH RACCOON Iowa Fair 1972 39.0 m 259
DD 198 Iowa Fair 1998 23.8 m 259
SMALL STREAM Iowa Good 1994 7.0 m 259
DITCH NO.60 Iowa Poor 1967 23.8 m 259
WEST RAT CREEK Iowa Fair 1977 11.6 m 259
EAST IOWA RIVER Iowa Poor 1967 39.3 m 259
PERRY CREEK Iowa Good 1995 26.8 m 259
SMALL STREAM Iowa Good 1987 7.3 m 259
DRAINAGE DITCH 6 Iowa Poor 1968 14.6 m 259
KILPATRICK CREEK Iowa Good 1990 31.7 m 259
FROST CREEK Iowa Fair 1974 39.0 m 259
ROCK CREEK Iowa Fair 1976 15.2 m 259
CAMP CREEK Iowa Fair 1971 47.2 m 259
IA 60 Iowa Good 2004 86.9 m 259
CREAMERY CREEK Iowa Poor 1961 18.9 m 257
DRAINAGE DITCH #15 Iowa Good 2019 8.2 m 257
IOWA RIVER Iowa Good 1983 68.9 m 257
DRAINAGE Iowa Good 2011 11.6 m 257
LITTLE BEAR CREEK Iowa Fair 1989 23.8 m 256
OVER CNW RR Iowa Poor 1936 38.7 m 255

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.