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I-81 over Branch of Mill Creek

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

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

I-81 over Branch of Mill Creek in Botetourt 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 1964, making it 61 years old at the 2025 inventory.
It carries about 41,034 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 141 of the 202 inventoried bridges in Botetourt County rated fair (69.8%); 2 (1.0%) 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

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
81 N & Sbl over Buffalo Creek	1963	58,719	Fair
I-81 over Beckner Branch	1964	41,034	Fair
I-81& Route 800 over Mill Creek	1964	41,034	Fair
I-81 over Renick Run	1959	38,069	Fair
Nbl Route 0081 over Rte 648	1963	29,404	Fair
81 Nbl over Tinker Creek & NS Rwy	1963	29,404	Fair