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County Road 50 over N. Sterling Outlet Canal

Logan County, Colorado · rated Poor in the 2025 National Bridge Inventory

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

County Road 50 over N. Sterling Outlet Canal in Logan County, Colorado, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 47 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 16 of the 182 inventoried bridges in Logan County rated poor (8.8%); 16 (8.8%) 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 40 ft
Location	Intersection w/ Co Rd 43
NBI structure number	LOG50-43-128AR
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 6 Ml over City Streets UP RR	1972	9,900	Fair
US 6 Ml over South Platte R Ovflw	1957	9,900	Fair
US 6 Ml over Henderson-smith Ditch	1965	9,900	Fair
US 6 Ml over South Platte River	1957	9,900	Fair
US 6 Ml over South Platte R Ovflw	1957	9,900	Fair
I 76 Ml Wbnd over Twenty Two Slough	1964	5,500	Fair