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I-25 Service Road over BNSF Railway

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

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

I-25 Service Road over BNSF Railway in Platte 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 1935, making it 90 years old at the 2025 inventory.
It carries about 87 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 15 of the 159 inventoried bridges in Platte County rated poor (9.4%); 15 (9.4%) 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 288 ft
Location	Cheyenne - Chugwater
NBI structure number	ADA
Condition class	Poor

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