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Sw Cnty Rd 30 over Salt Wells Creek

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

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

Sw Cnty Rd 30 over Salt Wells Creek in Sweetwater 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 2009, making it 16 years old at the 2025 inventory.
It carries about 6 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 48 of the 191 inventoried bridges in Sweetwater County rated good (25.1%); 14 (7.3%) 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 115 ft
Location	22 Mi Se Of Rock Springs
NBI structure number	LDE
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Wyo 376 over UPRR	1977	14,871	Fair
Wyo 376 over Bitter Creek	1977	14,871	Fair
I-80 / US 30 Bus over Bitter Creek	1991	14,286	Fair
I-80 Wbl over I-80 Service Road	1969	13,609	Fair
I-80 Wbl over East Green River Intg	2002	13,609	Fair
I-80 EBL and WBL over Alkali Flat	1964	11,730	Fair