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County Rd 313 over Saline Br

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

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

County Rd 313 over Saline Br in Knox County, Missouri, 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 1987, making it 38 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 99 of the 167 inventoried bridges in Knox County rated fair (59.3%); 9 (5.4%) 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


Structure	Steel stringer or multi-beam girder
Length	about 46 ft
Location	S 36 T 60 N R 13 W
NBI structure number	21598
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Mo 6 E over S Fk S Fabius Rvr	1932	3,515	Fair
Mo 6 E over N Fk S Fabius Rvr	1985	2,502	Fair
Mo 6 E over Democrat CR	1929	2,021	Fair
Mo 6 E over Rock CR	1929	2,021	Fair
Mo 15 N over N Fk Fabius Rvr	2012	1,890	Good
Mo 6 E over Troublesome CR	2002	1,592	Fair