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County Road 39 over Mancos River

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

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

County Road 39 over Mancos River in Montezuma County, Colorado, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1991, making it 34 years old at the 2025 inventory.
It carries about 139 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 5 of the 60 inventoried bridges in Montezuma County rated poor (8.3%); 5 (8.3%) 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 46 ft
Location	Just S of CR G
NBI structure number	083003901.9005A
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Irr# US 160 Ml over Mc Elmo Creek	1958	9,400	Fair
US 160 Ml over Mc Elmo Creek	1969	6,700	Fair
US 160 Ml over Mancos River	1958	6,000	Fair
SH 145 Ml over Dolores River	1972	4,300	Fair
Irr# US 491 Ml over Mancos River	1959	4,000	Fair
Irr# US 491 Ml over Indian Creek	1959	4,000	Fair