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I-85 SB over Hartwell Reservoir

Oconee County, South Carolina · rated Fair in the 2025 National Bridge Inventory

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

I-85 SB over Hartwell Reservoir in Oconee County, South Carolina, 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 1961, making it 64 years old at the 2025 inventory.
It carries about 25,400 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 120 of the 215 inventoried bridges in Oconee County rated fair (55.8%); 27 (12.6%) 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 737 ft
Location	Ga/sc State Line
NBI structure number	000000000003712
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-85 NB over Hartwell Reservoir	1961	25,400	Fair
I-85 NB over Fairplay Creek	1961	23,650	Fair
I-85 SB over Fairplay Creek	1961	23,650	Fair
US 76 over Seneca Creek	1958	23,000	Fair
Sc 28 over Richland Creek	1961	16,300	Good
US 76 over Richland Creek	1965	14,300	Fair