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Thomas Rd. 78 over Silver Lk. Drain. Ditch

Shawnee County, Kansas · rated Good in the 2025 National Bridge Inventory

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

Thomas Rd. 78 over Silver Lk. Drain. Ditch in Shawnee County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 357 of the 564 inventoried bridges in Shawnee County rated good (63.3%); 18 (3.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 41 ft
Location	0.5N of Silver Lake
NBI structure number	000890977504224
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I70 Hwy Nl-sl over Danbury Lane	1956	29,178	Fair
I-70 Hwy EB over Gage Blvd	1993	24,375	Good
I-70 Hwy WB over Gage Blvd	1993	24,375	Good
NB US-75 Hwy over Kansas River UP RR	1955	23,650	Good
US75 Hwy W Lane SB over Kansas River UP RR	1977	23,650	Fair
U75 (E 70 to N 75) over N-s Lanes I70	1977	23,650	Fair