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County Rd 448 over Littleby CR

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

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

County Rd 448 over Littleby CR in Audrain County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2013, making it 12 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 133 of the 315 inventoried bridges in Audrain County rated good (42.2%); 13 (4.1%) 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	Prestressed concrete tee beam
Length	about 113 ft
Location	S 26 T 52 N R 8 W
NBI structure number	34336
Condition class	Good

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