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Fdr 631 over Williams Creek

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

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

Fdr 631 over Williams Creek in Hinsdale 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 1991, making it 34 years old at the 2025 inventory.
It carries about 408 vehicles a day (traffic count year 2003).
It is one of 7 of the 32 inventoried bridges in Hinsdale County rated good (21.9%); 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 tee beam
Length	about 54 ft
Location	19.6 Mi on Fdr 631
NBI structure number	021306000001170
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
SH 149 Ml over Henson Creek	1954	1,600	Fair
City St. 8 & Half over Lake Fork Gunnison River	1986	980	Fair
Mtn Village Blv over Pedestrian	2019	693	Good
SH 149 Ml over Lake Fk Gunnison River	1954	560	Fair
Fdr 631 over Piedra River	1991	533	Fair
County Road 30 over Lake Fork Gunnison River	1986	436	Fair