US Bridges

I-95 NB over Pocotaligo Swamp (no. 3)

Fair

Clarendon County, South Carolina · 2MI NW of Manning · Structure no. 000000000004986

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
180 ft
6 main spans
Daily traffic
18,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-95 NB over Pocotaligo Swamp (no. 3) is a concrete tee beam carrying I-95 NB over Pocotaligo Swamp (no. 3) in Clarendon 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 18,100 vehicles a day, roughly 22% of them trucks, projected to reach 31,675 by 2043. The structure is 180 ft (54.9 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI-95 NB
CrossesPocotaligo Swamp (no. 3)
Location2MI NW of Manning
RouteInterstate 95
CountyClarendon County
StateSouth Carolina
Coordinates33.73254, -80.21792
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,100 (2023)
Projected traffic31,675 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-95 NB over Pocotaligo Swamp (no. 3) built?

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

What condition is I-95 NB over Pocotaligo Swamp (no. 3) 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 October 2023.

How much traffic does I-95 NB over Pocotaligo Swamp (no. 3) carry?

About 18,100 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-95 NB over Pocotaligo Swamp (no. 3)?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns I-95 NB over Pocotaligo Swamp (no. 3)?

It is owned by the State Highway Agency.