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Local N-2.5 over Porcupine Creek

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

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

Local N-2.5 over Porcupine Creek in Jewell County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1940, making it 85 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 117 of the 307 inventoried bridges in Jewell County rated fair (38.1%); 21 (6.8%) 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


Structure	Steel stringer or multi-beam girder
Length	about 24 ft
Location	5.0N 0.5W of Dentonia
NBI structure number	000450699503340
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-36 Hwy over Middle Buffalo Creek	1935	2,194	Good
US36/K128 Hwy over Limestone Creek	2007	1,225	Good
US36 Hwy over Middle Limestone CR Drg.	1958	1,205	Fair
US36 Hwy over Middle Limestone Creek	1930	1,205	Fair
US-36 Hwy over Limestone Creek Drainage	2008	1,205	Good
US36 Hwy over West Marsh Creek	1960	1,198	Good