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Wyo 319 over Elkhorn Creek

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

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

Wyo 319 over Elkhorn Creek in Platte 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 1958, making it 67 years old at the 2025 inventory.
It carries about 417 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 50 of the 159 inventoried bridges in Platte County rated good (31.4%); 15 (9.4%) 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 293 ft
Location	Glendo - Orin Jct
NBI structure number	CYY
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 87 Bus over I-25	1975	6,322	Good
US 26 over North Platte River	1983	4,832	Fair
I-25 NBL and SBL over Rock Creek	1975	3,865	Fair
I-25 Nbl over Machinery Pass	1966	3,743	Poor
I-25 Nbl over Laramie River	1966	3,743	Good
I-25 Nbl over Laramie River Road	1966	3,743	Fair