US Bridges

S-15-116 over Ireland Creek

Good

Colleton County, South Carolina · 5.8 MI NE Waltb · Structure no. 000000000004295

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-116 over Ireland Creek is a prestressed concrete box beam or girders - multiple carrying S-15-116 over Ireland Creek in Colleton County, South Carolina. It was built in 2008, so it is 17 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 1,200 vehicles a day, roughly 5% of them trucks, projected to reach 1,536 by 2043. The structure is 90 ft (27.4 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-15-116
CrossesIreland Creek
Location5.8 MI NE Waltb
RouteState Highway 116
CountyColleton County
StateSouth Carolina
Coordinates32.97802, -80.62909
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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating79.3 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length90 ft (27.4 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 traffic1,200 (2023)
Projected traffic1,536 by 2043
Trucks5%
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 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-15-116 over Ireland Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is S-15-116 over Ireland 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-15-116 over Ireland Creek carry?

About 1,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-15-116 over Ireland Creek?

The structure is 90 ft (27.4 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-15-116 over Ireland Creek?

It is owned by the State Highway Agency.