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Ia 9 over Mud Creek

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

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

Ia 9 over Mud Creek in Kossuth 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1931 and reconstructed in 1961, making it 94 years old at the 2025 inventory.
It carries about 1,570 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 103 of the 266 inventoried bridges in Kossuth County rated fair (38.7%); 40 (15.0%) 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	Steel stringer or multi-beam girder
Length	about 41 ft
Location	1.7 mi. E of jct. SR P20
NBI structure number	000000000032990
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 169 over E Fork Des Moines River	2008	7,500	Good
US 18 over E Fork Des Moines River	1984	5,900	Good
US 18 over Drainage Ditch	1993	4,660	Good
US 169 over E Fork Des Moines River	1971	3,460	Fair
US 169 over Drainage Ditch	1985	2,880	Good
US 169 over E Fork Des Moines River	1971	2,880	Fair