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
DAVIDS CREEK Iowa Good 2021 40.5 m 240
LITTLE MUDDY CREEK Iowa Good 1987 23.8 m 240
POSSUM CREEK Iowa Fair 1980 12.2 m 240
MIDDLE RIVER Iowa Fair 1959 40.5 m 240
SMALL UN-NAMED CREEK Iowa Good 1998 6.4 m 240
I-35 Iowa Fair 1964 66.1 m 240
LIZARD CREEK Iowa Good 2015 42.7 m 240
BUCK CREEK Iowa Fair 1975 7.9 m 240
N RACCOON RIVER Iowa Good 2011 118.0 m 240
MUDDY CREEK Iowa Fair 2003 20.0 m 240
D.D.#125 Iowa Fair 1987 10.7 m 240
STREAM Iowa Fair 1968 6.4 m 240
FLOYD RIVER Iowa Fair 1962 53.3 m 240
DD NO 70 Iowa Poor 1974 23.8 m 240
WHITE BREAST CREEK Iowa Fair 1985 7.6 m 240
DRY RUN Iowa Fair 1997 7.3 m 240
ELK CREEK Iowa Poor 1958 54.3 m 240
ELK CREEK Iowa Good 2004 9.4 m 240
MUSCATINE SLOUGH Iowa Fair 1975 39.0 m 239
SMALL CREEK Iowa Fair 1981 9.8 m 239
CAVITT CREEK Iowa Good 2016 32.3 m 238
STREAM Iowa Poor 1959 9.4 m 236
DRAINAGE Iowa Good 1990 17.4 m 236
S. BEAR CREEK Iowa Good 1975 31.4 m 236
PENNS BRANCH Iowa Good 1995 27.7 m 236
DRAINAGE DITCH Iowa Poor 1972 9.4 m 236
SMALL STREAM Iowa Fair 2005 7.3 m 236
BLAIR CREEK Iowa Good 1966 22.9 m 236
MAYNES CREEK Iowa Poor 1971 58.5 m 236
MINERVA CREEK Iowa Good 1998 9.8 m 236
TIPTON CREEK Iowa Fair 1968 26.2 m 236
MILL CREEK Iowa Good 2019 45.7 m 236
TEN MILE CREEK Iowa Fair 1952 11.3 m 236
DRAINAGE DITCH 9 Iowa Good 2010 7.6 m 235
CREEK Iowa Good 2011 7.6 m 235
SMALL CREEK Iowa Good 2020 15.2 m 235
STREAM Iowa Fair 1962 9.4 m 235
INDIAN CREEK Iowa Poor 1930 13.7 m 235
DRAINAGE Iowa Fair 1983 8.8 m 235
CREEK Iowa Good 2015 9.1 m 234
SMALL CREEK Iowa Good 2011 8.8 m 234
STREAM Iowa Poor 1966 13.7 m 234
SMALL STREAM Iowa Good 1998 9.4 m 234
OLD CHANNEL CREEK Iowa Good 2009 25.3 m 232
DRAINAGE Iowa Poor 1900 11.0 m 232
INDIAN CREEK Iowa Fair 1987 10.1 m 232
CREEK Iowa Fair 1949 16.2 m 232
LITTLE BIG CREEK Iowa Poor 1915 8.5 m 232
SMALL CREEK Iowa Fair 1973 11.9 m 232
DRAINAGE Iowa Good 2015 8.0 m 232

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.