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Ln Cnty Rd 318 over Green River

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

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

Ln Cnty Rd 318 over Green River in Lincoln County, Wyoming, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 28 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 83 of the 129 inventoried bridges in Lincoln County rated fair (64.3%); 7 (5.4%) 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	Steel stringer or multi-beam girder
Length	about 242 ft
Location	6 Mi South Of Labarge
NBI structure number	ETC
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 89 over Swift Creek	1987	12,155	Fair
US 89 over Salt River	1960	7,033	Fair
US 89 over Salt River	1960	7,033	Fair
US 89 over Etna Irrigation Canal	1960	7,033	Fair
US 89 over Etna Irrigation Canal	1969	7,033	Fair
US 89 over Etna Irrigation Canal	1994	7,033	Fair