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County Rd 158 over Grassy CR

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

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

County Rd 158 over Grassy CR in Marion County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1987, making it 38 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 69 of the 186 inventoried bridges in Marion County rated good (37.1%); 17 (9.1%) 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 multiple box beam
Length	about 69 ft
Location	S 3 T 59 N R 7 W
NBI structure number	13542
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 61 S over Minnow CR	1930	29,762	Fair
US 24 E over Drain Dtch	1928	19,835	Fair
US 24 E over BNSF RR	1992	19,828	Good
Is 72 E over Rp US61S to IS72E Rp Is	2000	19,756	Good
US 61 S over James CR	1930	19,001	Fair
Is 72 E over Mississippi Rvr Cst 410	2000	17,638	Poor