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County Road 6 over Alamosa River

Conejos County, Colorado · rated Poor in the 2025 National Bridge Inventory

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

County Road 6 over Alamosa River in Conejos County, Colorado, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 102 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 8 of the 63 inventoried bridges in Conejos County rated poor (12.7%); 8 (12.7%) 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 41 ft
Location	1.0 Mi N of CR 255
NBI structure number	CON07.0W-15.1N
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 285 Ml over Alamosa Creek	1959	5,200	Fair
US 285 Ml over La Jara Creek	1959	5,200	Good
US 285 Ml over Conejos Riv.overflow	1929	3,200	Poor
US 285 Ml over Conejos River	1929	3,200	Fair
SH 15 Ml over La Jara Creek	1938	1,300	Fair
US 285 Ml over Rio San Antonio	1938	1,200	Fair