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River Ridge Rd 664 over Big Run

Floyd County, Virginia · rated Fair in the 2025 National Bridge Inventory

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

River Ridge Rd 664 over Big Run in Floyd County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 376 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 66 of the 116 inventoried bridges in Floyd County rated fair (56.9%); 0 (0.0%) 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	Steel stringer or multi-beam girder
Length	about 66 ft
Location	0.05 Rt 221; 1.25 Rt 639
NBI structure number	000000000007571
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Floyd Hwy N 221 over Oldfield Creek	1937	9,857	Fair
Webbs Mill RD/RT8 over Dodds Creek	1976	6,804	Fair
Webbs Mill Rd./Rt8 over W Fork Little River	1976	6,804	Fair
Webbs Mill Rd 8 over Beaver Creek	1979	4,838	Fair
Webbs Mill Rd 8 over Little Camp Creek	1989	4,838	Good
Rte. 221/Floyd Hwy over Beaverdam Creek	1936	3,692	Fair