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.

Clear
BridgeLocationConditionYear BuiltLengthADT
SOAP CREEK Iowa Good 1978 37.5 m 1,350
ROCK RUN CREEK Iowa Good 2008 6.7 m 1,350
RIO GRANDE CREEK Iowa Good 2011 27.7 m 1,349
WILLOW CREEK Iowa Fair 1991 55.2 m 1,347
MINK CREEK Iowa Good 2012 46.6 m 1,347
W BR FLOYD RIVER Iowa Good 2012 62.3 m 1,347
STREAM Iowa Good 2000 7.6 m 1,347
WOLF CREEK Iowa Good 2013 8.8 m 1,345
LITTLE TURKEY RIVER Iowa Poor 1954 54.9 m 1,344
BIG CREEK TRIBUTARY Iowa Fair 1970 135.6 m 1,340
ROCK CREEK Iowa Fair 1925 15.2 m 1,340
ROCK CREEK Iowa Good 2006 25.3 m 1,340
BOYER RIVER Iowa Fair 1958 86.6 m 1,340
BLOWERS CREEK Iowa Fair 1900 7.9 m 1,339
QUARTER SECTION RUN CRK Iowa Fair 1969 39.0 m 1,339
SIX MILE CREEK Iowa Good 1982 10.4 m 1,337
LITTLE FLOYD RIVER Iowa Good 1987 46.9 m 1,337
LAMKIN CREEK Iowa Good 1976 11.6 m 1,337
PRAIRIE CREEK Iowa Fair 1971 69.5 m 1,336
MOSQUITO CREEK Iowa Fair 1994 124.1 m 1,335
DD Iowa Good 1993 7.3 m 1,330
LITTLE CEDAR CREEK Iowa Fair 1949 37.8 m 1,330
LICK CREEK Iowa Good 2021 40.6 m 1,330
STRATTON CREEK Iowa Fair 1922 13.4 m 1,330
STREAM Iowa Fair 1960 7.6 m 1,330
MINERVA CREEK Iowa Good 1985 25.3 m 1,330
WELDON RIVER Iowa Fair 1984 68.9 m 1,330
BRUSH CREEK Iowa Fair 1984 31.4 m 1,330
STREAM Iowa Fair 1928 6.4 m 1,330
SOUTH RIVER Iowa Fair 1979 69.8 m 1,330
IAIS RR Iowa Fair 1973 58.5 m 1,330
SMALL STREAM Iowa Good 1993 8.2 m 1,330
INDIAN CREEK Iowa Fair 2002 16.2 m 1,328
WEST NODAWAY RIVER Iowa Fair 1964 83.5 m 1,325
OVER BNSF RR Iowa Poor 1930 48.5 m 1,325
WEST NODAWAY RIVER Iowa Fair 1970 83.8 m 1,325
US 34 Iowa Fair 1973 100.0 m 1,321
HONEY CREEK Iowa Fair 1991 29.9 m 1,320
BRANCH HONEY CREEK Iowa Good 1991 8.8 m 1,320
DRAINAGE DITCH Iowa Fair 1933 6.7 m 1,320
WOLF CREEK Iowa Fair 1955 9.8 m 1,320
WHITE OAK CREEK Iowa Fair 1925 10.4 m 1,320
I-80 & US 6 Iowa Fair 1959 71.0 m 1,320
PERRY CREEK Iowa Fair 1993 69.2 m 1,319
NORTH WALNUT CREEK Iowa Fair 1987 20.7 m 1,318
WOLF CREEK Iowa Good 2021 99.7 m 1,316
LOST CREEK Iowa Poor 1953 47.2 m 1,310
OVER BNSF RR Iowa Fair 1981 65.2 m 1,310
US 30 Iowa Good 2017 79.2 m 1,310
HARTS MILL CREEK Iowa Good 1962 8.2 m 1,310

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.