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NW 40TH Rd over E Drywood CR

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

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

NW 40TH Rd over E Drywood CR in Barton County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1985, making it 40 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 100 of the 210 inventoried bridges in Barton County rated fair (47.6%); 21 (10.0%) 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	Prestressed concrete tee beam
Length	about 142 ft
Location	S 33 T 33 N R 33 W
NBI structure number	16950
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Is 49 S over Dry Br	1976	15,589	Fair
Is 49 S over Lit Dry Wood CR	1976	15,234	Poor
Is 49 S over BNSF RR	1972	8,139	Fair
Is 49 S over N Fk Spring Rvr	2021	8,139	Good
Is 49 S over N Fk Spring Rvr Ov	1947	8,139	Poor
Is 49 S over US 160	1972	7,412	Poor