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County Rd 304 over Middle Rvr

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

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

County Rd 304 over Middle Rvr in Callaway 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 5 (fair condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 60 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 173 of the 305 inventoried bridges in Callaway County rated fair (56.7%); 19 (6.2%) 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 15 T 47 N R 10 W
NBI structure number	17722
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Is 70 E over Whetstone CR	1963	40,377	Fair
US 54 E over Halifax Br	1957	38,978	Fair
US 54 E over Halifax Br	1957	38,634	Fair
Is 70 E over Sallees CR	1925	38,592	Fair
Is 70 E over Mckinney CR	1963	38,543	Fair
Is 70 E over Maddox Br	1963	38,543	Fair