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3318: Shell Creek over Sand Creek

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

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

3318: Shell Creek over Sand 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 deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2002, making it 23 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2023).
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	Steel stringer or multi-beam girder
Length	about 182 ft
Location	15 mi W of Baggs WY
NBI structure number	000000000L59251
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