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I-95 Nbl over Route 646

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

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

I-95 Nbl over Route 646 in Sussex County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 19,635 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 92 of the 105 inventoried bridges in Sussex County rated fair (87.6%); 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	Prestressed concrete stringer or multi-beam girder
Length	about 118 ft
Location	0.83 Mi to Route 631
NBI structure number	000000000018266
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-95 & Route 301 over Stream	1980	38,884	Fair
Is 95 Sbl over Rowanty Creek	1958	20,291	Fair
Is 95 Sbl over CSX Railroad	1981	20,202	Fair
I-95 Sbl over Blue Star Highway	1982	20,202	Fair
Is 95 Nbl over Rowanty Creek	1980	20,071	Fair
I-95 Nbl over Stream	1980	20,071	Fair