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FM over Branch Little Sioux Rvr

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

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

FM over Branch Little Sioux Rvr in Buena Vista 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 1996, making it 29 years old at the 2025 inventory.
It carries about 45 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 56 of the 157 inventoried bridges in Buena Vista County rated good (35.7%); 54 (34.4%) 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

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

Bridge	Built	Vehicles/day	Condition
Ia 110 over Storm Lake Inlet	1978	4,890	Good
Ia 7 over Powell Creek	1992	4,720	Fair
US 71 & Ia 10 over Little Sioux River	1973	4,570	Fair
US 71 over Drainage Ditch #34	1985	3,830	Good
US 71 over Drainage Ditch #34	1985	3,830	Fair
US 71 over Branch Raccoon River	1996	3,000	Fair