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I-81; FO47; FO64 over Sloan Branch

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

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

I-81; FO47; FO64 over Sloan Branch in Pulaski County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 43,842 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 72 of the 105 inventoried bridges in Pulaski County rated fair (68.6%); 4 (3.8%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I-81 over Branch of Slone Branch	1965	45,109	Fair
Nbl Route 0081 over Rte 100	1965	23,385	Fair
Nbl Route 0081 over RT99/COUNT Pulaski Dr.	1960	23,053	Fair
Nbl Route 0081 over Peak Creek	1960	23,053	Fair
Nbl Route 0081 over New River Trail St. Park	1960	23,053	Fair
Nbl Route 0081 over Rte 644_MILLER Lane	1965	23,053	Fair