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Michigan St over Unnamed CR

Macon County, Missouri · rated Poor in the 2025 National Bridge Inventory

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

Michigan St over Unnamed CR in Macon County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1925, making it 100 years old at the 2025 inventory.
It carries about 15 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 20 of the 291 inventoried bridges in Macon County rated poor (6.9%); 20 (6.9%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 22 ft
Location	S 18 T 58 N R 13 W
NBI structure number	19205
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 63 S over US 36	1971	12,582	Poor
US 63 S over BNSF RR	1985	11,335	Fair
US 36 E over Duck CR	1924	11,214	Fair
US 36 E over E Fk Chariton Rvr	1984	10,917	Fair
US 36 E over Winn CR	1925	10,888	Fair
US 36 W over Puzzle CR	1924	9,809	Fair