US Bridges

I-95 SB over S-39 & CSX RR

Fair

Dillon County, South Carolina · 2.0 MI N of Dillon · Structure no. 000000000004749

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
20,150
2023 count
Owner
State
State Highway Agency

About this bridge

I-95 SB over S-39 & CSX RR is a prestressed concrete stringer/multi-beam or girder carrying I-95 SB over S-39 & CSX RR in Dillon County, South Carolina. It was built in 1966, so it is 59 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 20,150 vehicles a day, roughly 23% of them trucks, projected to reach 35,263 by 2043. The structure is 200 ft (61 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-95 SB
CrossesS-39 & CSX RR
Location2.0 MI N of Dillon
RouteInterstate 95
Coordinates34.43722, -79.38333
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,150 (2023)
Projected traffic35,263 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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-95 SB over S-39 & CSX RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-95 SB over S-39 & CSX RR 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-95 SB over S-39 & CSX RR carry?

About 20,150 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-95 SB over S-39 & CSX RR?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns I-95 SB over S-39 & CSX RR?

It is owned by the State Highway Agency.