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1500 RD Mile 25 over Trib. to Elk River

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

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

1500 RD Mile 25 over Trib. to Elk River in Montgomery County, Kansas, 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 1981, making it 44 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2010).
Its listed owner is the county highway agency.
It is one of 18 of the 326 inventoried bridges in Montgomery County rated poor (5.5%); 18 (5.5%) 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 30 ft
Location	4.0N 1.5W Int Us160-k39
NBI structure number	000630973006645
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US166 US169 Hwy over Verdigris River	1948	10,188	Good
US75 US160 Hwy over UP RR 20TH ST & Drg.	1940	8,501	Good
US169 Hwy over Onion Creek Overflow	1988	6,903	Good
US169 Hwy over Onion Creek	1988	6,903	Good
Eighth Street; 001 over Sycamore Creek	1984	5,950	Fair
US160 K96 Hwy over Mouse Creek	1960	5,920	Fair