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Seneca Rd (rs 272) over S. Branch Hackberry CR.

Logan County, Kansas · rated Fair in the 2025 National Bridge Inventory

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

Seneca Rd (rs 272) over S. Branch Hackberry CR. in Logan County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1930, making it 95 years old at the 2025 inventory.
It carries about 185 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 20 of the 55 inventoried bridges in Logan County rated fair (36.4%); 2 (3.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I70 Hwy WB over UP Railroad	1965	5,600	Good
I70 Hwy EB over UP Railroad	1965	5,600	Good
US83 Hwy over Plum Creek	1982	3,558	Good
US-83 Hwy over Smoky Hill River	1995	3,558	Good
US-83 Hwy over Smoky Hill River Drain	1996	3,558	Good
US-83 Hiway over Hackberry CR N Br	1998	3,520	Good