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US 301 over Potomac River

King George County, Virginia · rated Good in the 2025 National Bridge Inventory

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

US 301 over Potomac River in King George County, Virginia, 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 2022, making it 3 years old at the 2025 inventory.
It carries about 18,550 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 7 of the 29 inventoried bridges in King George County rated good (24.1%); 0 (0.0%) 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 stringer or multi-beam girder
Length	about 9,965 ft
Location	US 301 over Potomac River
NBI structure number	000000000032008
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ebl Kings Hwy. over Birchwood Creek	1966	10,581	Fair
Wbl Kings Hwy. over Birchwood Creek	1989	10,581	Fair
Wbl Kings Hwy. over Lambs Creek	1992	10,581	Good
Ebl Kings Hwy. over Lambs Creek	1992	10,581	Good
Ebl Kings Hwy. over Muddy Creek	1988	10,573	Fair
Dahlgren Rd. over Williams Creek	1982	10,501	Fair