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Bridge conditions in Coffey County, Kansas

305 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory

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

3 of the 305 bridges the federal inventory lists in Coffey County are rated poor; the rest split 216 good and 86 fair.

3 of the 305 bridges in Coffey County, Kansas, are rated in poor condition (1.0%) in the 2025 National Bridge Inventory, as of August 20, 2026.
216 bridges (70.8%) are rated good and 86 (28.2%) fair.
The median Coffey County bridge was built in 1990.
The busiest poor-rated bridge is Lynx Rd. over Frog Creek (built 1974), carrying about 30 vehicles a day.

Good 70.8% · Fair 28.2% · Poor 1.0% of 305 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Lynx Rd. over Frog Creek	1974	30	Poor
Fauna Rd. over Trib. to Otter Creek	1920	25	Poor
3RD. Rd. over Loss Creek	1935	10	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US-75 Hwy over Rock Creek	1992	7,941	Good
I35 Hwy over Coal Creek	1971	7,601	Good
I35 Hwy SB over Local Road	1972	7,601	Good
I35 Hwy NB over Local Road	1972	7,601	Good
I35 Hwy SB over BNSF Railway	1972	7,350	Good
I35 Hwy NB over BNSF Railway	1972	7,350	Good
I35 Hwy SB over Frog Creek	1973	7,350	Good
I35 Hwy NB over Frog Creek	1973	7,350	Good
I35 Hwy SB over US 75	1973	6,750	Good
I35 Hwy NB over US 75 Hwy	1973	6,750	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Kansas: Kansas bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.