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
PERRY CREEK CONDUIT Iowa Good 2013 23.9 m 7,065
SMALL NATURAL STREAM Iowa Fair 1952 7.3 m 7,065
IA 22 Iowa Fair 1984 72.2 m 7,050
IA 58 Iowa Fair 1984 55.8 m 7,050
SILVER CREEK Iowa Good 1981 58.5 m 7,050
SO MAIN ST Iowa Good 1993 70.4 m 7,050
SILVER CREEK Iowa Good 1981 60.0 m 7,050
UPRR Iowa Good 2004 78.6 m 7,050
IA 58 Iowa Fair 1984 56.7 m 7,050
WILLOW CREEK Iowa Fair 1978 39.0 m 7,043
DRAINAGE DITCH Iowa Fair 1948 11.9 m 7,000
I-235 Iowa Good 2002 101.5 m 7,000
CRAB APPLE CREEK Iowa Good 2021 30.8 m 7,000
DRAINAGE DITCH Iowa Fair 1948 11.6 m 7,000
FLAT CREEK Iowa Fair 1948 8.5 m 7,000
DRAINAGE DITCH Iowa Fair 1972 10.4 m 7,000
DRY CREEK Iowa Fair 1948 8.5 m 7,000
DRY CREEK Iowa Fair 1948 8.5 m 7,000
East Cedar Creek Iowa Good 2008 87.2 m 7,000
324TH STREET Iowa Fair 1970 60.4 m 7,000
DRY CREEK Iowa Fair 1948 13.1 m 7,000
BIG CREEK Iowa Good 1992 65.8 m 7,000
OVER UP RR Iowa Good 1967 43.0 m 7,000
GRANGER CREEK Iowa Good 1997 54.9 m 7,000
FORK GRANGER CREEK Iowa Good 1997 7.9 m 7,000
DRY CREEK Iowa Fair 1948 8.5 m 7,000
I-280 Iowa Fair 1971 81.7 m 7,000
STREAM Iowa Fair 1948 8.5 m 7,000
STREAM Iowa Fair 1950 7.6 m 7,000
CRAB APPLE CREEK Iowa Fair 1992 31.4 m 7,000
DRY RUN CREEK Iowa Fair 1969 31.4 m 6,993
SMALL STREAM Iowa Good 1969 32.0 m 6,993
PERRY CREEK Iowa Good 1995 46.3 m 6,989
DES MOINES RIVER Iowa Good 2017 135.9 m 6,971
US 30 & W.11TH ST Iowa Fair 1970 78.3 m 6,950
DRAINAGE DITCH Iowa Good 2003 6.4 m 6,900
DD 9 & 13 Iowa Good 2008 7.6 m 6,900
IOWA RIVER Iowa Fair 1991 135.9 m 6,900
SEERLEY BLVD Iowa Good 1994 45.7 m 6,900
324TH STREET Iowa Fair 1970 60.4 m 6,900
SEERLEY BLVD Iowa Good 1994 45.7 m 6,900
SO MAIN ST Iowa Good 1993 70.4 m 6,900
IA 22 Iowa Good 1995 72.2 m 6,900
I-80 Iowa Good 2011 85.0 m 6,900
I-80(WALCOTT) Iowa Fair 1992 69.8 m 6,900
SHERMANS CREEK Iowa Poor 1914 12.2 m 6,893
US 30 Iowa Good 2001 86.0 m 6,881
RR CHERRY MLK JR PKWY Iowa Poor 1967 461.8 m 6,875
DES MOINES RIVER Iowa Poor 1987 132.9 m 6,875
WALNUT CREEK Iowa Good 2007 75.4 m 6,875

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.