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120TH Avenue over US 63

Wapello County, Iowa · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

120TH Avenue over US 63 in Wapello County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2005, making it 20 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 89 of the 190 inventoried bridges in Wapello County rated good (46.8%); 25 (13.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 394 ft
Location	2.3 mi. S of Jct. IA 149
NBI structure number	000000000609125
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.

Bridge	Built	Vehicles/day	Condition
Ia 149 over Dm River Streets BNSF RR	1964	18,200	Fair
US 34 & 63 over Des Moines River	2013	14,300	Good
US 63 over Brown Creek	1988	10,100	Fair
US 63 NB over Stream	1988	10,100	Fair
US 34 over Drainage Ditch	2005	9,600	Good
Albia Rd over Kettle Creek	1995	9,480	Good