US Bridges

Sc 53 over Douglas Swamp

Good

Sumter County, South Carolina · 18 MI E of Sumter · Structure no. 000000000001573

Built
1948
77 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 53 over Douglas Swamp is a concrete culvert carrying Sc 53 over Douglas Swamp in Sumter County, South Carolina. It was built in 1948, so it is 77 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 13% of them trucks, projected to reach 730 by 2043. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 53
CrossesDouglas Swamp
Location18 MI E of Sumter
RouteState Highway 53
Coordinates33.98908, -79.99626
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic730 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sc 53 over Douglas Swamp built?

It was built in 1948, making it 77 years old in 2025.

What condition is Sc 53 over Douglas Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Sc 53 over Douglas Swamp carry?

About 500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Sc 53 over Douglas Swamp?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Sc 53 over Douglas Swamp?

It is owned by the State Highway Agency.