US Bridges

I-20 EB over US 601

Fair

Kershaw County, South Carolina · 5 MI SW of Camden · Structure no. 000000000005103

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
4 main spans
Daily traffic
25,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 EB over US 601 is a prestressed concrete stringer/multi-beam or girder carrying I-20 EB over US 601 in Kershaw County, South Carolina. It was built in 1967, so it is 58 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 25,000 vehicles a day, roughly 16% of them trucks, projected to reach 40,000 by 2043. The structure is 244 ft (74.4 m) long and 45 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesI-20 EB
CrossesUS 601
Location5 MI SW of Camden
RouteInterstate 20
CountyKershaw County
StateSouth Carolina
Coordinates34.18883, -80.68778
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span61 ft (18.6 m)
Deck width45 ft (13.8 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2023)
Projected traffic40,000 by 2043
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed98.8 mi (159 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-20 EB over US 601 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-20 EB over US 601 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 March 2024.

How much traffic does I-20 EB over US 601 carry?

About 25,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-20 EB over US 601?

The structure is 244 ft (74.4 m) long with a longest span of 61 ft (18.6 m) and a deck 45 ft wide.

Who owns I-20 EB over US 601?

It is owned by the State Highway Agency.