US Bridges

S-15-129/QUAIL DR over Wolf Creek

Good

Colleton County, South Carolina · 3.1 MI N of Walterboro · Structure no. 000000000002709

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
100
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-129/QUAIL DR over Wolf Creek is a prestressed concrete stringer/multi-beam or girder carrying S-15-129/QUAIL DR over Wolf Creek in Colleton County, South Carolina. It was built in 2010, so it is 15 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 128 by 2043. The structure is 75 ft (22.9 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-15-129/QUAIL DR
CrossesWolf Creek
Location3.1 MI N of Walterboro
RouteState Highway 129
Coordinates32.94568, -80.68066
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span75 ft (22.9 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic128 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-15-129/QUAIL DR over Wolf Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is S-15-129/QUAIL DR over Wolf Creek 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 March 2023.

How much traffic does S-15-129/QUAIL DR over Wolf Creek carry?

About 100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-15-129/QUAIL DR over Wolf Creek?

The structure is 75 ft (22.9 m) long with a longest span of 75 ft (22.9 m) and a deck 37 ft wide.

Who owns S-15-129/QUAIL DR over Wolf Creek?

It is owned by the State Highway Agency.