US Bridges

S-15-126 over Trib to Doctor Creek

Fair

Colleton County, South Carolina · 3.6 MI W Walterboro · Structure no. 000000000004090

Built
1963
62 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-126 over Trib to Doctor Creek is a concrete slab carrying S-15-126 over Trib to Doctor Creek in Colleton County, South Carolina. It was built in 1963, so it is 62 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 275 vehicles a day, roughly 11% of them trucks, projected to reach 382 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-15-126
CrossesTrib to Doctor Creek
Location3.6 MI W Walterboro
RouteState Highway 126
Coordinates32.89998, -80.72946
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic382 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-15-126 over Trib to Doctor Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is S-15-126 over Trib to Doctor 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 2025.

How much traffic does S-15-126 over Trib to Doctor Creek carry?

About 275 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S-15-126 over Trib to Doctor Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-15-126 over Trib to Doctor Creek?

It is owned by the State Highway Agency.