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Main O15-E50-S70 over Trib. to Smoky Hill Riv.

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

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

Main O15-E50-S70 over Trib. to Smoky Hill Riv. in Dickinson County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 15 vehicles a day (traffic count year 2011).
Its listed owner is the county highway agency.
It is one of 176 of the 372 inventoried bridges in Dickinson County rated fair (47.3%); 14 (3.8%) 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

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

Bridge	Built	Vehicles/day	Condition
I 70 Hwy over Chapman Creek	2021	8,750	Good
I 70 Hwy over Chapman Creek	2021	8,750	Good
I-70 Highway over Eden Road	1960	8,750	Fair
I-70 Hwy WB over BNSF Railway	2006	8,550	Good
I-70 Hwy EB over BNSF Railway	2005	8,550	Good
I-70 Hwy WB over Mud Creek	2006	8,550	Good