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Rt Bb S over North Rvr

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

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

Rt Bb S over North Rvr in Knox County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1955, making it 70 years old at the 2025 inventory.
It carries about 32 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 9 of the 167 inventoried bridges in Knox County rated poor (5.4%); 9 (5.4%) 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 137 ft
Location	S 35 T 60 N R 11 W
NBI structure number	8025
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Mo 6 E over S Fk S Fabius Rvr	1932	3,515	Fair
Mo 6 E over N Fk S Fabius Rvr	1985	2,502	Fair
Mo 6 E over Democrat CR	1929	2,021	Fair
Mo 6 E over Rock CR	1929	2,021	Fair
Mo 15 N over N Fk Fabius Rvr	2012	1,890	Good
Mo 6 E over Troublesome CR	2002	1,592	Fair