US Bridges

S-29-51 over Gills Creek

Good

Lancaster County, South Carolina · 2 MI New of Lancaster · Structure no. 000000000010371

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
170 ft
1 main span
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-51 over Gills Creek is a prestressed concrete box beam or girders - multiple carrying S-29-51 over Gills Creek in Lancaster County, South Carolina. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 3% of them trucks, projected to reach 917 by 2043. The structure is 170 ft (51.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-29-51
CrossesGills Creek
Location2 MI New of Lancaster
RouteState Highway 51
Coordinates34.735, -80.72861
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.9 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1 (+2 approach)
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic917 by 2043
Trucks3%
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-29-51 over Gills Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is S-29-51 over Gills 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 April 2023.

How much traffic does S-29-51 over Gills Creek carry?

About 650 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-29-51 over Gills Creek?

The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns S-29-51 over Gills Creek?

It is owned by the State Highway Agency.