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Bh Cnty Rd R39 over Shell Creek

Big Horn County, Wyoming · rated Good in the 2025 National Bridge Inventory

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

Bh Cnty Rd R39 over Shell Creek in Big Horn County, Wyoming, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2005, making it 20 years old at the 2025 inventory.
It carries about 124 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 25 of the 91 inventoried bridges in Big Horn County rated good (27.5%); 9 (9.9%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 109 ft
Location	Big Horn County
NBI structure number	LFQ
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 14 over Dry Creek	1961	5,103	Good
US 14 over BNSF Railway	1961	5,103	Fair
US 310 over Shoshone River	1965	4,224	Fair
US 16 over Greybull River	1955	3,036	Fair
US 16 over BNSF Railway	2005	3,036	Fair
US 310 over Little Dry Creek	1957	2,271	Fair