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
PASCALS CREEK Iowa Good 1976 13.1 m 4,810
SKUNK RIVER Iowa Fair 1972 106.4 m 4,800
NATURAL CREEK Iowa Good 1929 12.2 m 4,790
I-235 Iowa Good 2005 83.8 m 4,783
HOCKING CREEK Iowa Good 1973 37.8 m 4,780
PRAIRIE CREEK Iowa Good 2017 30.7 m 4,770
N. BLACKHAWK CREEK Iowa Good 2006 28.3 m 4,770
I-380 Iowa Fair 1982 81.7 m 4,760
NORTH RACCOON RIVER Iowa Fair 1972 154.2 m 4,760
TURKEY RIVER Iowa Fair 1889 57.6 m 4,755
CREEK Iowa Fair 1956 6.4 m 4,750
SOUTH STATE ST Iowa Good 1997 49.6 m 4,750
EAST INDIAN CREEK Iowa Good 1997 94.2 m 4,750
MUD CREEK Iowa Fair 2000 22.9 m 4,750
WILLOW CREEK ROAD Iowa Good 2018 54.7 m 4,750
SOUTH STATE ST Iowa Good 1997 49.7 m 4,750
IA 137 Iowa Good 2004 61.3 m 4,750
WHITEWATER CREEK Iowa Good 2003 69.5 m 4,750
MUD CREEK Iowa Fair 1998 34.4 m 4,750
MUD CREEK Iowa Good 2002 90.5 m 4,750
IND PARK ROAD Iowa Good 2002 50.0 m 4,750
UNNAMED CREEK Iowa Fair 1988 13.4 m 4,730
POWELL CREEK Iowa Fair 1992 12.2 m 4,720
N RACCOON RIVER OVERFLOW Iowa Fair 1994 57.3 m 4,720
YEADER CREEK Iowa Poor 1976 35.4 m 4,717
ROCK CREEK Iowa Good 2007 42.1 m 4,709
I 29 Iowa Good 2014 105.8 m 4,700
BNSF RR Iowa Good 2003 68.0 m 4,700
BNSF RR Iowa Good 2003 68.3 m 4,700
AMES CREEK Iowa Fair 1974 48.8 m 4,700
I 29 Iowa Good 2014 105.8 m 4,700
COMSTOCK CREEK Iowa Good 1997 25.3 m 4,700
AMES CREEK Iowa Fair 1974 48.8 m 4,700
EAST INDIAN CREEK Iowa Fair 1963 93.3 m 4,700
UP RR Iowa Fair 1974 117.7 m 4,700
WILLOW CREEK ROAD Iowa Good 2019 54.6 m 4,700
MT. PLEASANT AVE Iowa Good 2001 68.6 m 4,700
I-35 Iowa Fair 1968 79.6 m 4,700
OVER CC RR & CATFISH CK Iowa Good 1997 91.1 m 4,696
RALSTON CREEK Iowa Poor 1935 18.9 m 4,693
SPRING CREEK Iowa Good 2009 57.3 m 4,690
BLAKE CREEK Iowa Fair 1955 9.4 m 4,690
BLAKE CREEK Iowa Fair 1955 14.5 m 4,690
OVER IAIS RR Iowa Poor 1970 59.1 m 4,688
DEER CREEK Iowa Fair 1958 44.2 m 4,680
BASS CREEK Iowa Poor 1958 34.1 m 4,680
JENSEN CREEK Iowa Fair 1968 7.9 m 4,680
I-80 Iowa Fair 1963 66.4 m 4,676
I-235 EB RAMP Iowa Fair 2005 94.8 m 4,670
DRAINAGE DITCH Iowa Fair 1958 7.6 m 4,670

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.