US Bridges

S-29-15 over Hanging Rock Creek

Good

Lancaster County, South Carolina · 1MI S Heath Springs · Structure no. 000000000000186

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-15 over Hanging Rock Creek is a prestressed concrete slab carrying S-29-15 over Hanging Rock Creek in Lancaster County, South Carolina. It was built in 2015, so it is 10 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 2,200 vehicles a day, roughly 13% of them trucks, projected to reach 3,212 by 2043. The structure is 100 ft (30.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-29-15
CrossesHanging Rock Creek
Location1MI S Heath Springs
RouteState Highway 15
Coordinates34.57629, -80.67708
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length100 ft (30.5 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 traffic2,200 (2023)
Projected traffic3,212 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-29-15 over Hanging Rock Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is S-29-15 over Hanging Rock 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 July 2023.

How much traffic does S-29-15 over Hanging Rock Creek carry?

About 2,200 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S-29-15 over Hanging Rock Creek?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-29-15 over Hanging Rock Creek?

It is owned by the State Highway Agency.