US Bridges

I-95 NB over Southern Rwy

Fair

Dorchester County, South Carolina · 2 MI W of ST George · Structure no. 000000000006477

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
3 main spans
Daily traffic
25,050
2023 count
Owner
State
State Highway Agency

About this bridge

I-95 NB over Southern Rwy is a prestressed concrete stringer/multi-beam or girder carrying I-95 NB over Southern Rwy in Dorchester 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 25,050 vehicles a day, roughly 22% of them trucks, projected to reach 43,838 by 2043. The structure is 188 ft (57.2 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesI-95 NB
CrossesSouthern Rwy
Location2 MI W of ST George
RouteInterstate 95
Coordinates33.1923, -80.60661
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.2 m)
Longest span63 ft (19.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,050 (2023)
Projected traffic43,838 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 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 NB over Southern Rwy built?

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

What condition is I-95 NB over Southern Rwy 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-95 NB over Southern Rwy carry?

About 25,050 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-95 NB over Southern Rwy?

The structure is 188 ft (57.2 m) long with a longest span of 63 ft (19.1 m) and a deck 43 ft wide.

Who owns I-95 NB over Southern Rwy?

It is owned by the State Highway Agency.