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County Road 34 over N. Sterling Inlet Canal

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

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

County Road 34 over N. Sterling Inlet Canal in Logan County, Colorado, 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 1987, making it 38 years old at the 2025 inventory.
It carries about 237 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 69 of the 182 inventoried bridges in Logan County rated good (37.9%); 16 (8.8%) 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	Steel stringer or multi-beam girder
Length	about 52 ft
Location	0.1 Mi. E. of Co. Rd. 35
NBI structure number	LOG34-35.1-84-A
Condition class	Good

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