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Maroon Avenue over Coal Creek

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

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

Maroon Avenue over Coal Creek in Gunnison County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 768 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 24 of the 101 inventoried bridges in Gunnison County rated good (23.8%); 5 (5.0%) 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

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

Bridge	Built	Vehicles/day	Condition
SH 135 Ml over Gunnison River	1950	7,400	Fair
SH 135 Ml over Slate River	1995	7,200	Fair
SH 135 Ml over Slate River	1995	7,200	Fair
US 50 Ml over Gunnison River	1957	6,200	Fair
US 50 Ml over Gunnison River	1957	6,200	Fair
Co Rd 317 over Slate River	1983	5,823	Fair