US Bridges

S-38-39 over Cooper Swamp

PoorClosed to traffic

Orangeburg County, South Carolina · 9 MI S Orangeburg · Structure no. 000000000000062

Built
1940
85 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-38-39 over Cooper Swamp is a concrete culvert carrying S-38-39 over Cooper Swamp in Orangeburg County, South Carolina. It was built in 1940, so it is 85 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 1,200 vehicles a day, roughly 12% of them trucks, projected to reach 1,752 by 2043. The structure is 43 ft (13 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-38-39
CrossesCooper Swamp
Location9 MI S Orangeburg
RouteState Highway 39
Coordinates33.34899, -80.91217
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert0 FailedOut of service and beyond corrective action.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length43 ft (13 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,752 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-38-39 over Cooper Swamp built?

It was built in 1940, making it 85 years old in 2025.

What condition is S-38-39 over Cooper Swamp in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does S-38-39 over Cooper Swamp carry?

About 1,200 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-38-39 over Cooper Swamp?

The structure is 43 ft (13 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns S-38-39 over Cooper Swamp?

It is owned by the State Highway Agency.