US Bridges

S-12-144 over Little Rocky Creek

Good

Chester County, South Carolina · 7.8MI SE Chester · Structure no. 000000000002923

Built
2009
16 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-144 over Little Rocky Creek is a prestressed concrete box beam or girders - multiple carrying S-12-144 over Little Rocky Creek in Chester County, South Carolina. It was built in 2009, so it is 16 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 150 vehicles a day, roughly 13% of them trucks, projected to reach 209 by 2043. The structure is 110 ft (33.5 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesS-12-144
CrossesLittle Rocky Creek
Location7.8MI SE Chester
RouteState Highway 144
Coordinates34.61156, -81.13779
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic209 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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-12-144 over Little Rocky Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is S-12-144 over Little Rocky 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 January 2025.

How much traffic does S-12-144 over Little Rocky Creek carry?

About 150 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S-12-144 over Little Rocky Creek?

The structure is 110 ft (33.5 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-12-144 over Little Rocky Creek?

It is owned by the State Highway Agency.