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Co Cnty Rd 17 over Boxelder Creek

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

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

Co Cnty Rd 17 over Boxelder Creek in Converse County, Wyoming, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1965, making it 60 years old at the 2025 inventory.
It carries about 186 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 19 of the 136 inventoried bridges in Converse County rated poor (14.0%); 19 (14.0%) 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	Continuous steel girder and floorbeam
Length	about 121 ft
Location	14 Miles S.E. Of Glenrock
NBI structure number	DSN
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I25/US20-26-87 Bus over North Platte River	2009	8,403	Good
I25/US20-26-87 Bus over I-25	1966	7,719	Fair
Wyo 59 over North Platte River	1988	6,320	Good
Wyo 59 over BNSF Railway	1988	6,320	Fair
W Richards Street over North Platte River	1984	5,816	Poor
I-25 Sbl over Wyo 90	1967	4,838	Fair