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Ia 14 over Shell Rock River

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

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

Ia 14 over Shell Rock River in Butler 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 1967, making it 58 years old at the 2025 inventory.
It carries about 1,520 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 175 of the 287 inventoried bridges in Butler County rated good (61.0%); 35 (12.2%) 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 520 ft
Location	0.7 Miles North of SR C13
NBI structure number	000000000016700
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ia 3 over over Ianr RR	1967	3,540	Fair
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