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Rt Z S over Young CR

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

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

Rt Z S over Young CR 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1969 and reconstructed in 2014, making it 56 years old at the 2025 inventory.
It carries about 222 vehicles a day (traffic count year 2024).
Its listed owner is the state 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 steel stringer or multi-beam girder
Length	about 213 ft
Location	S 34 T 53 N R 9 W
NBI structure number	2124
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