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Wyo 387 over Hay Creek

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

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

Wyo 387 over Hay Creek in Campbell 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 1982, making it 43 years old at the 2025 inventory.
It carries about 1,535 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 114 of the 152 inventoried bridges in Campbell County rated fair (75.0%); 4 (2.6%) 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	Continuous steel stringer or multi-beam girder
Length	about 98 ft
Location	Midwest - Reno Jct
NBI structure number	DZR
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Wyo 59 over Donkey Creek	1975	22,352	Fair
Wyo 59 over Antelope Butte Creek	1975	19,425	Fair
Wyo 59 over Homestead Trickle	2008	18,150	Good
Wyo 59 over Burlington Supply Ditch	1941	14,340	Fair
Wyo 59 over Stonepile Creek	1981	14,340	Fair
S Gurley Avenue over BNSF / US 14/16	1982	10,545	Fair