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FM over Platte River

Ringgold County, Iowa · rated Poor in the 2025 National Bridge Inventory

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

FM over Platte River in Ringgold County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 40 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 88 of the 215 inventoried bridges in Ringgold County rated poor (40.9%); 88 (40.9%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 182 ft
Location	069312201
NBI structure number	000000000297560
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Ia 2 over Walnut Creek	1988	1,750	Good
Ia 2 over East Fork Grand River	1985	1,750	Fair
Ia 2 over Lotts Creek	1985	1,750	Good
US 169 over Stream	1938	1,730	Fair
US 169 over Walnut Creek	1985	1,730	Fair
Ia 2 over E Fork Lotts Creek	1985	1,550	Good