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Rs 1420 H-14.3 over Iowa Creek

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

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

Rs 1420 H-14.3 over Iowa Creek in Washington 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1955, making it 70 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 134 of the 335 inventoried bridges in Washington County rated fair (40.0%); 12 (3.6%) 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 29 ft
Location	2.3S 3.5W of Morrowville
NBI structure number	000000001010710
Condition class	Fair

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