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County Road 31 over Adobe Creek Tributary

Lincoln 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 Adobe Creek Tributary in Lincoln County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 69 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 94 of the 127 inventoried bridges in Lincoln County rated fair (74.0%); 10 (7.9%) 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	Timber stringer or multi-beam girder
Length	about 45 ft
Location	2 Miles South of Road S
NBI structure number	LIN-31-P.2
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 70 Ml+front Rd over Draw	1975	14,291	Fair
Ramp to US 24 over Kyle RR R	1975	12,000	Good
I 70 Ml over Draw	1955	10,000	Fair
US 24 Ml over I 70 Ml	1975	7,500	Fair
I 70 Ml Wbnd over US 24 Ml	1975	7,000	Fair
I 70 Ml Ebnd over US 24 Ml	1975	7,000	Fair