US Bridges

S-15-35/PEIRCE RD over Sandy Run

Good

Colleton County, South Carolina · 4.1 MI NE Cottageville · Structure no. 000000000002018

Built
2004
21 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-35/PEIRCE RD over Sandy Run is a prestressed concrete box beam or girders - multiple carrying S-15-35/PEIRCE RD over Sandy Run in Colleton County, South Carolina. It was built in 2004, so it is 21 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 900 vehicles a day, roughly 8% of them trucks, projected to reach 1,314 by 2043. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesS-15-35/PEIRCE RD
CrossesSandy Run
Location4.1 MI NE Cottageville
RouteState Highway 35
Coordinates32.97394, -80.42735
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,314 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-15-35/PEIRCE RD over Sandy Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is S-15-35/PEIRCE RD over Sandy Run 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 February 2025.

How much traffic does S-15-35/PEIRCE RD over Sandy Run carry?

About 900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-15-35/PEIRCE RD over Sandy Run?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-15-35/PEIRCE RD over Sandy Run?

It is owned by the State Highway Agency.