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Ln Cnty Rd 140 over Salt River

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

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

Ln Cnty Rd 140 over Salt River in Lincoln County, Wyoming, 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 2006, making it 19 years old at the 2025 inventory.
It carries about 702 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 39 of the 129 inventoried bridges in Lincoln County rated good (30.2%); 7 (5.4%) 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	Steel stringer or multi-beam girder
Length	about 30 ft
Location	1.5 Miles West Of Smoot
NBI structure number	LWL
Condition class	Good

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