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County Road 4N over Little Snake River

Moffat County, Colorado · rated Good in the 2025 National Bridge Inventory

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

County Road 4N over Little Snake River in Moffat County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 26 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 21 of the 80 inventoried bridges in Moffat County rated good (26.2%); 5 (6.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 127 ft
Location	0.84 Mi North of Co Rd 4
NBI structure number	MOF4N-00.83
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 40 Ml over Elkhead River	1992	4,200	Good
SH 394 Ml over Yampa River	1985	3,100	Good
US 40 Ml WB over Fortification Creek	1952	3,000	Fair
SH 13 Ml over Yampa River	1972	2,800	Fair
SH 13 Ml over Pine Ridge Gulch	1973	2,800	Fair
SH 13 Ml over RR Spur	1978	2,800	Fair