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County Road 31 over N Fork Frenchman Creek

Phillips County, Colorado · rated Fair in the 2025 National Bridge Inventory

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

County Road 31 over N Fork Frenchman Creek in Phillips County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 38 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 20 of the 26 inventoried bridges in Phillips County rated fair (76.9%); 5 (19.2%) 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 40 ft
Location	0.6 Mi No of Co Rd 26
NBI structure number	PH31-0.6-26-A
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 6 Ml over Frenchman Creek	1935	1,900	Poor
US 385 Ml over Frenchman Creek	1949	1,900	Fair
US 6 Ml over N.fk.frenchman Creek	2004	1,900	Fair
US 6 Ml over Frenchman Creek	1934	1,500	Poor
US 6 Ml over Draw	1934	1,500	Poor
US 6 Ml over Draw	2005	1,500	Fair