US Bridges

I-520 EB over Sc 125

Good

Aiken County, South Carolina · North Augusta · Structure no. 000000000009875

Built
2008
17 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
7,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-520 EB over Sc 125 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-520 EB over Sc 125 in Aiken County, South Carolina. It was built in 2008, so it is 17 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,750 vehicles a day, roughly 19% of them trucks, projected to reach 9,533 by 2043. The structure is 215 ft (65.4 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-520 EB
CrossesSc 125
LocationNorth Augusta
RouteInterstate 520
CountyAiken County
StateSouth Carolina
Coordinates33.49398, -81.93822
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length215 ft (65.4 m)
Longest span130 ft (39.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,750 (2023)
Projected traffic9,533 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-520 EB over Sc 125 built?

It was built in 2008, making it 17 years old in 2025.

What condition is I-520 EB over Sc 125 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does I-520 EB over Sc 125 carry?

About 7,750 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-520 EB over Sc 125?

The structure is 215 ft (65.4 m) long with a longest span of 130 ft (39.6 m) and a deck 47 ft wide.

Who owns I-520 EB over Sc 125?

It is owned by the State Highway Agency.