US Bridges

I-95 SB over L-339 & Scl RR

Fair

Colleton County, South Carolina · 9.0 MI N of Waltbr · Structure no. 000000000006456

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
280 ft
4 main spans
Daily traffic
24,700
2023 count
Owner
State
State Highway Agency

About this bridge

I-95 SB over L-339 & Scl RR is a steel stringer/multi-beam or girder carrying I-95 SB over L-339 & Scl RR in Colleton County, South Carolina. It was built in 1974, so it is 51 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 24,700 vehicles a day, roughly 22% of them trucks, projected to reach 43,225 by 2043. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesI-95 SB
CrossesL-339 & Scl RR
Location9.0 MI N of Waltbr
RouteInterstate 95
CountyColleton County
StateSouth Carolina
Coordinates33.03496, -80.66835
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,700 (2023)
Projected traffic43,225 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed11.2 mi (18 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 L-339 & Scl RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-95 SB over L-339 & Scl 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 January 2024.

How much traffic does I-95 SB over L-339 & Scl RR carry?

About 24,700 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-95 SB over L-339 & Scl RR?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns I-95 SB over L-339 & Scl RR?

It is owned by the State Highway Agency.