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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
OVER UP RR Iowa Good 1997 57.0 m 12,450
DESMOINES RVR S OVERFLOW Iowa Good 2013 143.0 m 12,450
DES MOINES RIVER Iowa Good 1997 280.4 m 12,450
DES MOINES RVR OVERFLOW Iowa Good 2013 214.5 m 12,450
BLACKHAWK CREEK Iowa Good 1984 128.3 m 12,400
BIG SLOUGH CREEK Iowa Good 1997 11.3 m 12,400
MIDDLE RIVER Iowa Good 2011 68.1 m 12,400
BLACKHAWK CREEK Iowa Fair 1983 128.3 m 12,400
MIDDLE RIVER Iowa Good 2013 68.1 m 12,400
IA376 SINGING HILLS BLVD Iowa Good 2011 78.9 m 12,350
BADGER CREEK Iowa Good 2016 92.2 m 12,350
NORTH RIVER Iowa Good 2014 102.8 m 12,350
IA376 SINGING HILLS BLVD Iowa Good 2012 78.9 m 12,350
VANDALIA ROAD & BNSF RR Iowa Good 1997 126.2 m 12,300
4TH 5TH WHITE ST Iowa Fair 1992 262.4 m 12,300
DUCK CREEK Iowa Good 1963 33.2 m 12,300
DUCK CREEK Iowa Fair 1965 76.8 m 12,300
40TH ST Iowa Good 2022 94.2 m 12,300
IOWA RIVER Iowa Good 2018 135.2 m 12,300
DES MONES RIVER Iowa Good 1997 280.4 m 12,300
KEO WAY Iowa Good 2004 104.5 m 12,200
UNNAMED CREEK Iowa Good 2001 13.1 m 12,200
MUCHAKINOK CREEK Iowa Fair 1997 8.8 m 12,200
N WALNUT CREEK Iowa Fair 1989 25.0 m 12,150
ANTIQUE COUNTRY DR. Iowa Fair 1958 37.8 m 12,150
ANTIQUE COUNTRY DR. Iowa Fair 1958 37.8 m 12,150
PONY CREEK Iowa Fair 1968 53.3 m 12,100
BNSF & CBEC RR Iowa Fair 1968 71.0 m 12,100
OVER CC RR Iowa Good 1995 58.5 m 12,100
IAIS RR Iowa Good 2008 93.9 m 12,100
OVER CEDR RR Iowa Good 1995 75.3 m 12,100
SE 6TH AVE Iowa Good 1997 77.4 m 12,100
IAIS RR Iowa Good 2009 93.9 m 12,100
MOSQUITO CK II RR PATH Iowa Good 2016 321.9 m 12,100
HERSHEY AVE Iowa Good 2008 49.6 m 12,100
PONY CREEK Iowa Fair 1968 53.3 m 12,100
OVER BNSF RR Iowa Fair 1968 71.0 m 12,100
UP&CNIC RR&CITY STREETS Iowa Fair 2011 470.3 m 12,055
I-35 AND I-80 Iowa Fair 2006 82.9 m 12,055
IAIS RR Iowa Fair 1997 62.8 m 12,001
STREAM Iowa Fair 1951 7.3 m 12,000
US 6 Iowa Fair 1967 74.7 m 11,950
US 6 Iowa Fair 1967 74.7 m 11,950
KEO WAY RAMP TO EB I-235 Iowa Good 2005 141.4 m 11,900
E BR W NISHNABOTNA RIVER Iowa Fair 1965 74.4 m 11,900
NORTH 16TH ST Iowa Fair 1967 69.8 m 11,900
470TH STREET Iowa Fair 1965 38.7 m 11,900
E.BR.W.NISHNABOTNA RIVER Iowa Fair 1965 74.4 m 11,900
470TH STREET Iowa Fair 1965 38.7 m 11,900
IA 175 Iowa Fair 1966 76.8 m 11,850

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.