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County Rd 510 over Drain Dtch

Dunklin County, Missouri · rated Good in the 2025 National Bridge Inventory

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

County Rd 510 over Drain Dtch in Dunklin County, Missouri, 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 1995, making it 30 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 94 of the 217 inventoried bridges in Dunklin County rated good (43.3%); 18 (8.3%) 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 40 ft
Location	S 11 T 18 N R 8 E
NBI structure number	20411
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Mo 84 E over Buffalo Dtch	1922	12,954	Fair
US 412 E over Buffalo Drain Dtch	1948	9,424	Fair
US 412 E over St Francis Rvr	2002	7,687	Fair
US 412 E over Red Devil Dtch	1968	7,608	Good
US 412 E over Kinnemore Dtch	1968	6,988	Good
US 412 E over Pole Cat Slu	1963	6,473	Fair