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Or 55 S over Turner Rd Black CR

Jefferson County, Missouri · rated Fair in the 2025 National Bridge Inventory

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

Or 55 S over Turner Rd Black CR in Jefferson County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1965, making it 60 years old at the 2025 inventory.
It carries about 15,093 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 257 of the 410 inventoried bridges in Jefferson County rated fair (62.7%); 10 (2.4%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 38 ft
Location	S 2009 T 42 N R 6 E
NBI structure number	8144
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Is 55 S over Tom CR	1965	104,603	Fair
Is 55 S over UP RR Desoto Sub	2024	80,923	Good
Is 55 S over Cst Herky-horine Rd	2025	80,923	Good
Is 55 S over Br Sandy CR	1964	80,923	Fair
Is 55 S over Cst Fifth St BNSF RR	2011	70,419	Good
Is 55 S over Cst Central Ave	2024	70,419	Good