US Bridges

I-20 WB over Shaws Creek

Fair

Aiken County, South Carolina · 6 MI N of Aiken · Structure no. 000000000005194

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
150 ft
5 main spans
Daily traffic
17,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 WB over Shaws Creek is a concrete tee beam carrying I-20 WB over Shaws Creek in Aiken County, South Carolina. It was built in 1968, so it is 57 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,900 vehicles a day, roughly 22% of them trucks, projected to reach 19,153 by 2043. The structure is 150 ft (45.7 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesI-20 WB
CrossesShaws Creek
Location6 MI N of Aiken
RouteInterstate 20
Coordinates33.64759, -81.71968
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2023)
Projected traffic19,153 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 WB over Shaws Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-20 WB over Shaws Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does I-20 WB over Shaws Creek carry?

About 17,900 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-20 WB over Shaws Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns I-20 WB over Shaws Creek?

It is owned by the State Highway Agency.