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US 40 Ml over E Fork Elk River

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

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

US 40 Ml over E Fork Elk River in Routt County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2013, making it 12 years old at the 2025 inventory.
It carries about 5,700 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 42 of the 97 inventoried bridges in Routt County rated good (43.3%); 7 (7.2%) 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 203 ft
Location	7 Mi W of Stmbt. Springs
NBI structure number	C-09-AU
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 40 Ml over Fish Creek	1980	28,000	Fair
US 40 Ml over Mt Werner Road	1980	23,000	Fair
US 40 Ml over Walton Creek	1990	9,200	Fair
US 40 Ml over Shelton Ditch	1954	6,400	Poor
Fish Crk Falls Rd over Spring Creek	1973	5,949	Fair
US 40 Ml over Sage Creek	2015	5,100	Good