US Bridges

S-38-36 over Middle Pen Swamp

Good

Orangeburg County, South Carolina · 10 MI E Orangeburg · Structure no. 000000000002230

Built
2002
23 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-38-36 over Middle Pen Swamp is a prestressed concrete slab carrying S-38-36 over Middle Pen Swamp in Orangeburg 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 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 225 vehicles a day, roughly 23% of them trucks, projected to reach 288 by 2043. The structure is 120 ft (36.6 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-38-36
CrossesMiddle Pen Swamp
Location10 MI E Orangeburg
RouteState Highway 36
Coordinates33.4654, -80.69291
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 by 2043
Trucks23%
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 S-38-36 over Middle Pen Swamp built?

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

What condition is S-38-36 over Middle Pen 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 December 2024.

How much traffic does S-38-36 over Middle Pen Swamp carry?

About 225 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is S-38-36 over Middle Pen Swamp?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns S-38-36 over Middle Pen Swamp?

It is owned by the State Highway Agency.