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I-80 Ebl over UPRR / Killpecker Creek

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

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

I-80 Ebl over UPRR / Killpecker Creek in Sweetwater 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 5 (fair condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 8,917 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 129 of the 191 inventoried bridges in Sweetwater County rated fair (67.5%); 14 (7.3%) 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	Continuous steel stringer or multi-beam girder
Length	about 350 ft
Location	Rock Springs Marginal
NBI structure number	LRX
Condition class	Fair

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