US Bridges

S-29-75 over Hanging Rock Creek

Fair

Lancaster County, South Carolina · 0.8 MI W Kershaw · Structure no. 000000000000202

Built
1925
100 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-75 over Hanging Rock Creek is a concrete tee beam carrying S-29-75 over Hanging Rock Creek in Lancaster County, South Carolina. It was built in 1925, so it is 100 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 425 vehicles a day, roughly 4% of them trucks, projected to reach 621 by 2024. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-29-75
CrossesHanging Rock Creek
Location0.8 MI W Kershaw
RouteState Highway 75
Coordinates34.54583, -80.5975
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic621 by 2024
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$212,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-29-75 over Hanging Rock Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is S-29-75 over Hanging Rock 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 August 2024.

How much traffic does S-29-75 over Hanging Rock Creek carry?

About 425 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-29-75 over Hanging Rock Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns S-29-75 over Hanging Rock Creek?

It is owned by the State Highway Agency.