US Bridges

S-15-35/PEIRCE RD over Deep Creek

Fair

Colleton County, South Carolina · 6 MI NE Cottageville · Structure no. 000000000002017

Built
1954
71 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
56 ft
4 main spans
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-35/PEIRCE RD over Deep Creek is a concrete slab carrying S-15-35/PEIRCE RD over Deep Creek in Colleton County, South Carolina. It was built in 1954, so it is 71 years old, older 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 5 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 900 vehicles a day, roughly 8% of them trucks, projected to reach 1,314 by 2043. The structure is 56 ft (17.1 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesS-15-35/PEIRCE RD
CrossesDeep Creek
Location6 MI NE Cottageville
RouteState Highway 35
Coordinates33.00952, -80.42134
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length56 ft (17.1 m)
Longest span14 ft (4.3 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 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 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-15-35/PEIRCE RD over Deep Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is S-15-35/PEIRCE RD over Deep Creek 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 February 2025.

How much traffic does S-15-35/PEIRCE RD over Deep Creek carry?

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

How long is S-15-35/PEIRCE RD over Deep Creek?

The structure is 56 ft (17.1 m) long with a longest span of 14 ft (4.3 m) and a deck 29 ft wide.

Who owns S-15-35/PEIRCE RD over Deep Creek?

It is owned by the State Highway Agency.