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Wyo 374 over Unnamed Draw

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

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

Wyo 374 over Unnamed Draw 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 culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1942, making it 83 years old at the 2025 inventory.
It carries about 2,401 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 22 ft
Location	Jct I-80 - Green River
NBI structure number	CHM
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