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340 Rd. over Trib. Mid.br. Turkey Ck.

Marion County, Kansas · rated Poor in the 2025 National Bridge Inventory

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

340 Rd. over Trib. Mid.br. Turkey Ck. in Marion County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1910, making it 115 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 35 of the 323 inventoried bridges in Marion County rated poor (10.8%); 35 (10.8%) 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	Concrete stringer or multi-beam girder
Length	about 22 ft
Location	1.0N 3.0W of Tampa
NBI structure number	000570833604980
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US-50 Hwy over Spring Creek	1994	5,402	Good
US-50 Hwy over Doyle Creek Drainage	1994	5,097	Good
US-50 Hwy over Doyle Creek Drainage	1998	5,097	Good
US-50 Hwy over Doyle Creek Drainage	1998	5,097	Good
US-50 Hwy over Doyle Creek Drainage	1998	5,097	Good
US-50 Hwy over Union Pacific RR.	1994	4,812	Good