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FM 300TH St over Dd #2 & 36

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

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

FM 300TH St over Dd #2 & 36 in Kossuth County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 264 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 40 of the 266 inventoried bridges in Kossuth County rated poor (15.0%); 40 (15.0%) 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	Steel stringer or multi-beam girder
Length	about 29 ft
Location	097272901
NBI structure number	000000000215651
Condition class	Poor

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