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3306: Muddy Creek over Muddy Creek

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

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

3306: Muddy Creek over Muddy Creek in Carbon 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 1985, making it 40 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2023).
It is one of 123 of the 206 inventoried bridges in Carbon County rated fair (59.7%); 19 (9.2%) 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 38 ft
Location	26 Miles SW Rawlins WY
NBI structure number	000000000L59247
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 Wbl over West Sinclair Intg	2000	7,909	Good
I-80 Wbl over UPRR / Wyo 76	2000	7,909	Good
I-80 EBL and WBL over Sugar Creek	2000	7,637	Fair
I-80 Ebl over West Sinclair Intg	2001	7,637	Good
I-80 Ebl over UPRR / Wyo 76	2001	7,637	Good
I-80 Wbl over Two Mile Draw	1963	7,404	Fair