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Cb Cnty Rd 1 over Medicine Bow River

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

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

Cb Cnty Rd 1 over Medicine Bow River in Carbon County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 59 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 19 of the 206 inventoried bridges in Carbon County rated poor (9.2%); 19 (9.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 42 ft
Location	4 Mi. S. Of Medicine Bow
NBI structure number	EOX
Condition class	Poor

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