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US 160 Ml over Rio Grande

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

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

US 160 Ml over Rio Grande in Alamosa 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 1966, making it 59 years old at the 2025 inventory.
It carries about 13,000 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 9 of the 15 inventoried bridges in Alamosa County rated fair (60.0%); 0 (0.0%) 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	Continuous steel stringer or multi-beam girder
Length	about 303 ft
Location	at East End of Alamosa
NBI structure number	O-13-B
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 285 Ml over Rock Creek	1960	5,900	Good
State St (CR 650) over Rio Grande River	1982	1,994	Fair
County Road 100 over Empire Canal	1991	1,052	Fair
SH 368 Ml over Alamosa Farm Laterl Cana	1955	230	Fair
SH 368 Ml over Empire Irrigation Canal	1955	230	Good
County Rd. 12 Mile over Empire Canal	1990	132	Good