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Nfsr 349 over Libby Creek

Albany County, Wyoming · rated Fair in the 2025 National Bridge Inventory

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

Nfsr 349 over Libby Creek in Albany County, Wyoming, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 44 vehicles a day (traffic count year 2002).
It is one of 78 of the 125 inventoried bridges in Albany County rated fair (62.4%); 4 (3.2%) 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


Structure	Prestressed concrete tee beam
Length	about 29 ft
Location	Entrance to Spruce Cg
NBI structure number	020605000001235
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 30 / I-80 Bus over Spring Creek	1981	14,833	Fair
US 287 over Spring Creek	1963	11,163	Fair
I-80 Wbl over Laramie River	1962	9,845	Fair
I-80 Wbl over UPRR	2001	9,845	Fair
I-80 Wbl over US 287	2001	9,845	Fair
I-80 Ebl over Laramie River	1962	9,750	Fair