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I-20 Ramptoi-520s over I-520 N Ramp to I-20W

Aiken County, South Carolina · rated Good in the 2025 National Bridge Inventory

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

I-20 Ramptoi-520s over I-520 N Ramp to I-20W in Aiken County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2008, making it 17 years old at the 2025 inventory.
It carries about 2,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 64 of the 198 inventoried bridges in Aiken County rated good (32.3%); 20 (10.1%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 110 ft
Location	North Augusta
NBI structure number	000000000009923
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-20 over Savannah River	2021	64,300	Good
I-20 over Fox Creek	1966	50,200	Fair
I-20 over High Tower Branch	1966	44,500	Fair
I-20 over Horse Creek	1966	44,500	Fair
US 25 over I-20	2009	37,300	Good
US 1 over Southern RR (no 1)	1952	27,000	Fair