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
LITTLE BIG CREEK Iowa Poor 1915 8.5 m 232
OLD CHANNEL CREEK Iowa Good 2009 25.3 m 232
RIO GRANDE CREEK Iowa Good 2011 8.8 m 232
RIO GRANDE CREEK Iowa Poor 1940 7.0 m 232
RIO GRANDE CREEK Iowa Good 1995 8.5 m 232
RIO GRANDE CREEK Iowa Good 2011 8.8 m 232
STREAM Iowa Fair 1984 24.4 m 232
DRAINAGE Iowa Good 1998 6.4 m 232
DRAINAGE Iowa Poor 1900 9.4 m 232
DRAINAGE Iowa Poor 1940 6.4 m 232
APPLE CREEK Iowa Fair 1989 11.9 m 232
DRAINAGE Iowa Good 2008 12.8 m 232
UNNAMED CREEK Iowa Good 2008 11.5 m 232
CANAL Iowa Good 2010 7.6 m 232
CANAL Iowa Good 2012 7.7 m 232
DRAINAGE DITCH #13 Iowa Fair 1976 20.7 m 230
BOB WHITE ST. PARK Iowa Good 2010 28.3 m 230
SMALL STREAM Iowa Fair 1972 9.8 m 230
ENGLISH CREEK Iowa Fair 1954 46.6 m 230
OTTER CREEK Iowa Fair 1956 21.0 m 230
CHARITON RIVER Iowa Good 1998 51.5 m 230
LITTLE WHITEBREAST CREEK Iowa Fair 1958 38.7 m 230
CEDAR CREEK Iowa Fair 1987 39.3 m 230
N. FORK LONG CREEK Iowa Fair 1970 10.4 m 230
CREEK Iowa Fair 1988 7.0 m 230
FARMERS CREEK Iowa Fair 1988 7.6 m 230
S FORK MAQUOKETA RIVER Iowa Fair 1987 114.3 m 230
CREEK Iowa Fair 1987 26.8 m 230
WEST RAT CREEK Iowa Poor 1965 13.1 m 230
LITTLE ROCK RIVER Iowa Poor 1960 62.8 m 230
GRANT 5 OPEN DITCH Iowa Poor 1938 10.1 m 230
BEAVER CREEK Iowa Fair 1977 31.4 m 230
BIG CEDAR CK DD #41 Iowa Good 2011 8.2 m 230
BR BIG CEDAR CK DD#21 Iowa Poor 1975 23.8 m 230
LIZARD CREEK DD#114 Iowa Fair 1982 8.2 m 230
BR N LIZARD CREEK Iowa Fair 1982 7.0 m 230
WAPSINONOC CREEK Iowa Fair 1976 8.5 m 230
LITTLE BEAR CREEK Iowa Fair 1954 21.3 m 230
DRAINAGE DITCH Iowa Poor 1960 39.9 m 230
LOTTS CREEK Iowa Good 2004 39.0 m 230
GOLLS CREEK Iowa Good 1991 7.6 m 230
BR OF CHARITON RIVER Iowa Good 1998 11.6 m 230
SOUTH LIZARD CREEK Iowa Poor 1975 39.0 m 230
DD NO 5 Iowa Fair 1974 23.8 m 230
UP RR Iowa Good 2009 46.6 m 230
WHIPPOORWILL CK Iowa Fair 1951 73.2 m 230
LITTLE BEAVER CREEK Iowa Good 2017 15.6 m 230
D.D.#5 Iowa Good 1987 6.4 m 230
SUGAR CREEK Iowa Fair 1958 63.1 m 230
CROOKED CREEK Iowa Poor 1923 12.2 m 230

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.