US Bridges

S-14-50 over Pocataligo River

Fair

Clarendon County, South Carolina · 9 MI E of Manning · Structure no. 000000000008338

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
300 ft
10 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-14-50 over Pocataligo River is a prestressed concrete box beam or girders - multiple carrying S-14-50 over Pocataligo River in Clarendon County, South Carolina. It was built in 1990, so it is 35 years old, younger 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 400 vehicles a day, roughly 18% of them trucks, projected to reach 584 by 2043. The structure is 300 ft (91.4 m) long and 38 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesS-14-50
CrossesPocataligo River
Location9 MI E of Manning
RouteState Highway 50
Coordinates33.70919, -80.05242
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic584 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemNo

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 S-14-50 over Pocataligo River built?

It was built in 1990, making it 35 years old in 2025.

What condition is S-14-50 over Pocataligo River 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 September 2024.

How much traffic does S-14-50 over Pocataligo River carry?

About 400 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is S-14-50 over Pocataligo River?

The structure is 300 ft (91.4 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns S-14-50 over Pocataligo River?

It is owned by the State Highway Agency.