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County Rd 353 over S Fk of Salt Rvr

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

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

County Rd 353 over S Fk of Salt Rvr in Audrain 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 1989, making it 36 years old at the 2025 inventory.
It carries about 200 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 169 of the 315 inventoried bridges in Audrain County rated fair (53.7%); 13 (4.1%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 212 ft
Location	S 11 T 51 N R 9 W
NBI structure number	19887
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Mo 15 S over Hamilton CR	1929	11,448	Fair
Mo 15 S over US 54	1991	8,255	Fair
Clark St over NS RR	1995	8,000	Fair
US 54 E over W Fork Bean CR	1932	6,929	Fair
Bu 54 E over C & A Lake	1922	6,481	Fair
Bu 54 E over S. Fork Salt River	1924	6,481	Fair