US Bridges

S-14-61 over Sammy Swamp

Fair

Clarendon County, South Carolina · 6MI NW Manning · Structure no. 000000000002502

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
180 ft
6 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-14-61 over Sammy Swamp is a concrete slab carrying S-14-61 over Sammy Swamp in Clarendon County, South Carolina. It was built in 2002, so it is 23 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 13% of them trucks, projected to reach 556 by 2043. The structure is 180 ft (54.9 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-14-61
CrossesSammy Swamp
Location6MI NW Manning
RouteState Highway 61
Coordinates33.74264, -80.29851
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic556 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-14-61 over Sammy Swamp built?

It was built in 2002, making it 23 years old in 2025.

What condition is S-14-61 over Sammy Swamp 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 2024.

How much traffic does S-14-61 over Sammy Swamp carry?

About 400 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S-14-61 over Sammy Swamp?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns S-14-61 over Sammy Swamp?

It is owned by the State Highway Agency.