Home › Iowa › Butler County › Ia 3 over over Ianr RR

Ia 3 over over Ianr RR

Butler County, Iowa · rated Fair in the 2025 National Bridge Inventory

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

Ia 3 over over Ianr RR in Butler County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 3,540 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 77 of the 287 inventoried bridges in Butler County rated fair (26.8%); 35 (12.2%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 200 ft
Location	1.7 Miles E of Jct Ia 188
NBI structure number	000000000016550
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ia 3 over Shell Rock River	1967	3,540	Fair
Cherry St over Shell Rock River	1915	3,435	Fair
Ia 57 over Drainage Ditch	1924	2,480	Fair
Ia 57 over Beaver Creek	2003	2,480	Good
Ia 57 over Phelps Creek	2017	2,400	Good
Ia 57 over Drainage Ditch	2023	2,400	Good