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I-81 Sbl over NS Railway

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

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

I-81 Sbl over NS Railway in Rockingham County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1959 and reconstructed in 1983, making it 66 years old at the 2025 inventory.
It carries about 28,820 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 125 of the 287 inventoried bridges in Rockingham County rated fair (43.6%); 9 (3.1%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 201 ft
Location	1.06 Rt 11 - 1.55 Rt 253
NBI structure number	000000000020450
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Route 0081 over Trib Dry Fork	1960	52,694	Fair
Route 0081 over Dry Fork Creek	1966	52,192	Fair
I-81 Nbl over Blacks Run	1966	29,699	Fair
I-81 Sbl over Blacks Run	1959	28,820	Fair
I-81 Nbl over Blacks Run	1959	28,521	Fair
I-81 Nbl over NS Railway	1959	28,521	Fair