US Bridges

I-20 EB over Big Pine Tree Creek

Fair

Kershaw County, South Carolina · 2 MI SE of Camden · Structure no. 000000000005782

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
300 ft
10 main spans
Daily traffic
22,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 EB over Big Pine Tree Creek is a concrete slab carrying I-20 EB over Big Pine Tree Creek in Kershaw County, South Carolina. It was built in 1970, so it is 55 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 6 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 22,100 vehicles a day, roughly 16% of them trucks, projected to reach 35,360 by 2043. The structure is 300 ft (91.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20 EB
CrossesBig Pine Tree Creek
Location2 MI SE of Camden
RouteInterstate 20
Coordinates34.21744, -80.59855
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,100 (2023)
Projected traffic35,360 by 2043
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 EB over Big Pine Tree Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-20 EB over Big Pine Tree 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 May 2024.

How much traffic does I-20 EB over Big Pine Tree Creek carry?

About 22,100 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-20 EB over Big Pine Tree Creek?

The structure is 300 ft (91.4 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns I-20 EB over Big Pine Tree Creek?

It is owned by the State Highway Agency.