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SW 30TH Rd over W Fk Spring Rvr

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

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

SW 30TH Rd over W Fk Spring Rvr in Barton County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 89 of the 210 inventoried bridges in Barton County rated good (42.4%); 21 (10.0%) 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 tee beam
Length	about 110 ft
Location	S 6 T 31 N R 31 W
NBI structure number	23274
Condition class	Good

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