US Bridges

I-520 WB over S-365

Good

Aiken County, South Carolina · North Augusta · Structure no. 000000000009864

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
7,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-520 WB over S-365 is a prestressed concrete stringer/multi-beam or girder carrying I-520 WB over S-365 in Aiken County, South Carolina. It was built in 2009, so it is 16 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 8 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 117 ft (35.6 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-520 WB
CrossesS-365
LocationNorth Augusta
RouteInterstate 520
Coordinates33.503, -81.93801
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating68.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length117 ft (35.6 m)
Longest span117 ft (35.6 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 directionTwo-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 WB over S-365 built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-520 WB over S-365 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 WB over S-365 carry?

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

How long is I-520 WB over S-365?

The structure is 117 ft (35.6 m) long with a longest span of 117 ft (35.6 m) and a deck 47 ft wide.

Who owns I-520 WB over S-365?

It is owned by the State Highway Agency.