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County Rd 423 over Main Dtch No 8

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

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

County Rd 423 over Main Dtch No 8 in Pemiscot 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 7 (good condition) on the 0-9 scale.
It was built in 2002, making it 23 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 72 of the 207 inventoried bridges in Pemiscot County rated good (34.8%); 19 (9.2%) 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 180 ft
Location	S 24 T 18 N R 10 E
NBI structure number	29482
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Is 55 S over Drain Dtch No 7	1962	21,029	Fair
Is 55 S over Main Dtch No 6	1969	19,915	Fair
Is 55 S over Main Dtch No 6	1969	19,570	Fair
Is 55 S over Drain Dtch No 4	1974	18,439	Fair
Is 55 S over Drain Dtch No 12	1992	17,850	Fair
Mo 84 E over Drain Dtch No 6	1930	14,654	Fair