US Bridges

S-14-53 over Douglas Swamp

Fair

Clarendon County, South Carolina · 4MI SE Turbeville · Structure no. 000000000009417

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
197 ft
6 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-14-53 over Douglas Swamp is a concrete continuous slab carrying S-14-53 over Douglas Swamp in Clarendon County, South Carolina. It was built in 1999, so it is 26 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 275 vehicles a day, roughly 7% of them trucks, projected to reach 352 by 2043. The structure is 197 ft (60 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesS-14-53
CrossesDouglas Swamp
Location4MI SE Turbeville
RouteState Highway 53
Coordinates33.86386, -79.96979
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length197 ft (60 m)
Longest span33 ft (10 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic352 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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-14-53 over Douglas Swamp built?

It was built in 1999, making it 26 years old in 2025.

What condition is S-14-53 over Douglas 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 September 2024.

How much traffic does S-14-53 over Douglas Swamp carry?

About 275 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-14-53 over Douglas Swamp?

The structure is 197 ft (60 m) long with a longest span of 33 ft (10 m) and a deck 36 ft wide.

Who owns S-14-53 over Douglas Swamp?

It is owned by the State Highway Agency.