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W. 70th DR. over South Fork Solomon River

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

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

W. 70th DR. over South Fork Solomon River in Osborne County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1920, making it 105 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 97 of the 244 inventoried bridges in Osborne County rated fair (39.8%); 19 (7.8%) 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 68 ft
Location	0.1W of Alton
NBI structure number	000710645903729
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US24 Hwy over N F Solomon R Drain	1967	2,307	Fair
US24 Hwy over Kyle Railroad	1968	2,307	Fair
US281 Hwy over Osborne Canal Drainage	1950	1,667	Good
US24 Hwy over N F Solomon R Drain	1949	1,620	Good
US24 Hwy over N F Solomon R Drain	1949	1,620	Good
US24 Hwy over N F Solomon R Drain	1949	1,620	Good