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US 160 Ml over Piedra River

Archuleta 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 Piedra River in Archuleta 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1954, making it 71 years old at the 2025 inventory.
It carries about 4,300 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 33 of the 45 inventoried bridges in Archuleta County rated fair (73.3%); 2 (4.4%) 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 164 ft
Location	22 Mi W. of Pagosa Spring
NBI structure number	P-07-A
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US160 Ml over Mccabe Creek	2019	16,600	Good
US 160 Ml over San Juan River	1962	8,800	Fair
US 160 Ml over Martinez Creek	1972	8,700	Fair
US 160 Ml over Wildlife Crossing	2022	5,500	Good
Hot Springs Blvd. over San Juan River	1989	5,150	Fair
US 160 Ml over Devil Creek	1955	4,300	Fair