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13-k.7 329 over Melvin Creek

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

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

13-k.7 329 over Melvin Creek in Washington 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 1950, making it 75 years old at the 2025 inventory.
It carries about 40 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 12 of the 335 inventoried bridges in Washington County rated poor (3.6%); 12 (3.6%) 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	Continuous steel stringer or multi-beam girder
Length	about 29 ft
Location	0.1E 1.2S of Morrowville
NBI structure number	001010837703240
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US36 Hwy over Mill Creek Drainage	1936	2,657	Fair
US36 over Mill Creek	1999	2,657	Good
US36 Hwy over Little Blue River Drg.	1938	2,452	Good
US36 over Lane Branch Creek	1999	2,452	Good
U36 over Little Blue River	1999	2,452	Good
K15 Hwy over Mill Creek	2020	2,329	Good