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Fsr 523 over Red Mountain Creek

Mineral County, Colorado · rated Good in the 2025 National Bridge Inventory

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

Fsr 523 over Red Mountain Creek in Mineral County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1981 and reconstructed in 1992, making it 44 years old at the 2025 inventory.
It carries about 78 vehicles a day (traffic count year 2002).
It is one of 7 of the 26 inventoried bridges in Mineral County rated good (26.9%); 0 (0.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 55 ft
Location	10.2 Mi Ssw of Creede
NBI structure number	020901000001032
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 160 Ml over S Fk Rio Grande River	1977	2,900	Fair
US 160 Ml over Pass Creek	1987	2,900	Fair
US160 Ml over Lake Fork	2010	2,900	Good
US 160 Ml over Hillside	1981	2,900	Fair
SH 149 Ml over Willow Creek	1930	1,800	Fair
SH 149 Ml over Rio Grande	1958	1,400	Good