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River Road over Assamoosick Swamp

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

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

River Road over Assamoosick Swamp in Southampton 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1971, making it 54 years old at the 2025 inventory.
It carries about 113 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 62 of the 143 inventoried bridges in Southampton County rated fair (43.4%); 3 (2.1%) 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	Steel stringer or multi-beam girder
Length	about 145 ft
Location	4.24 to 35N 1.20TO 35S
NBI structure number	000000000017829
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Route 58 EBL over Overflow Nottoway River	1984	17,191	Fair
Southampton Pkwy over Branch Buckhorn Swamp	1988	15,312	Good
Southampton Pkwy over Buckhorn Swamp	1988	15,312	Good
Route 58 EBL over Nottoway Swamp	1930	11,175	Poor
Route 58 WBL over Nottoway Swamp	1966	11,175	Fair
US 58 WBL Bypass over Blackwater River	1981	9,645	Fair