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Bridge conditions in Archuleta County, Colorado

45 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 45 bridges in Archuleta County: 10 rated good, 33 fair, and 2 poor.

2 of the 45 bridges in Archuleta County, Colorado, are rated in poor condition (4.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
10 bridges (22.2%) are rated good and 33 (73.3%) fair.
The median Archuleta County bridge was built in 1980.
The busiest poor-rated bridge is Irr# US 84 Ml over Coyote Creek (built 1938), carrying about 1,100 vehicles a day.

Good 22.2% · Fair 73.3% · Poor 4.4% of 45 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Irr# US 84 Ml over Coyote Creek	1938	1,100	Poor
Fdr 660 over Rio Blanco	1960	73	Poor

Busiest bridges in the county

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 Piedra River	1954	4,300	Fair
US 160 Ml over Devil Creek	1955	4,300	Fair
US 160 Ml over Yellow Jacket Creek	1958	4,300	Fair
US 160 Ml over Turkey Creek	1946	4,100	Fair
US 160 Ml over W Fork San Juan River	1986	4,100	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Colorado: Colorado bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.