US Bridges

S-15-51 over Doctors Creek

Fair

Colleton County, South Carolina · 4.5MI Wnw Waltb · Structure no. 000000000008992

Built
1996
29 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-51 over Doctors Creek is a concrete continuous slab carrying S-15-51 over Doctors Creek in Colleton County, South Carolina. It was built in 1996, so it is 29 years old, younger 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 6 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 425 vehicles a day, roughly 9% of them trucks, projected to reach 621 by 2043. The structure is 79 ft (24 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS-15-51
CrossesDoctors Creek
Location4.5MI Wnw Waltb
RouteState Highway 51
CountyColleton County
StateSouth Carolina
Coordinates32.92875, -80.73979
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length79 ft (24 m)
Longest span32 ft (9.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic621 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-15-51 over Doctors Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-15-51 over Doctors 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 March 2023.

How much traffic does S-15-51 over Doctors Creek carry?

About 425 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-15-51 over Doctors Creek?

The structure is 79 ft (24 m) long with a longest span of 32 ft (9.8 m) and a deck 36 ft wide.

Who owns S-15-51 over Doctors Creek?

It is owned by the State Highway Agency.