Home › Iowa › Johnson County › Ia 22 over Iowa River

Ia 22 over Iowa River

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

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

Ia 22 over Iowa River in Johnson 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 1987, making it 38 years old at the 2025 inventory.
It carries about 4,250 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 156 of the 376 inventoried bridges in Johnson County rated good (41.5%); 34 (9.0%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 442 ft
Location	0.4 mi. W of SR W66
NBI structure number	000000000031861
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 80 EB over Iowa River	1960	32,900	Good
US 218 over Deer Creek	1970	32,400	Good
I 80 WB over Iowa River	1960	32,050	Good
EB I-80 over over US 6 & Iais RR	1995	31,000	Fair
I 80 WB over over US 6 & Iais RR	1992	31,000	Fair
EB I-80 over Cic Railway	1963	30,600	Fair