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US 6 Ml over UP RR

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

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

US 6 Ml over UP RR in Mesa 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 1999, making it 26 years old at the 2025 inventory.
It carries about 6,900 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 105 of the 321 inventoried bridges in Mesa County rated good (32.7%); 6 (1.9%) 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	Continuous prestressed concrete multiple box beam
Length	about 240 ft
Location	E. Edge of Clifton
NBI structure number	H-03-BW
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
25 Road over Rvrsd Pw Ind Av UPRR	2009	40,819	Good
I 70 Business Rt over Leach Creek	1968	26,000	Fair
Patterson Road over Grand Valley Canal	1985	24,727	Fair
I 70 Ml over Indian Wash	1964	22,000	Fair
I 70 Ml over Lewis Gulch	1964	22,000	Fair
I 70 Ml over Horsethief Creek	1980	18,000	Fair