US Bridges

S-29-764 over Hanging Rock Creek

Good

Lancaster County, South Carolina · 1.5MI S of Kershaw · Structure no. 000000000010219

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
170 ft
1 main span
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-764 over Hanging Rock Creek is a prestressed concrete box beam or girders - multiple carrying S-29-764 over Hanging Rock Creek in Lancaster County, South Carolina. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 425 vehicles a day, roughly 5% of them trucks, projected to reach 544 by 2043. The structure is 170 ft (51.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-29-764
CrossesHanging Rock Creek
Location1.5MI S of Kershaw
RouteState Highway 764
Coordinates34.52256, -80.59326
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.8 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic544 by 2043
Trucks5%
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-29-764 over Hanging Rock Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is S-29-764 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 September 2023.

How much traffic does S-29-764 over Hanging Rock Creek carry?

About 425 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-29-764 over Hanging Rock Creek?

The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns S-29-764 over Hanging Rock Creek?

It is owned by the State Highway Agency.