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11th Street over Soda Creek

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

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

11th Street over Soda Creek in Routt County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 3,112 vehicles a day (traffic count year 2023).
Its listed owner is a city or municipal highway agency.
It is one of 48 of the 97 inventoried bridges in Routt County rated fair (49.5%); 7 (7.2%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Superstructure	5	Fair condition
Substructure	5	Fair condition

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 E Fork Elk River	2013	5,700	Good