US Bridges

S-12-72 over Little Rocky Creek

Good

Chester County, South Carolina · 7MI SE Chester · Structure no. 000000000008987

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-72 over Little Rocky Creek is a concrete continuous slab carrying S-12-72 over Little Rocky Creek in Chester County, South Carolina. It was built in 1996, so it is 29 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-12-72
CrossesLittle Rocky Creek
Location7MI SE Chester
RouteState Highway 72
Coordinates34.62199, -81.14783
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span23 ft (7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic352 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-12-72 over Little Rocky Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-12-72 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-12-72 over Little Rocky Creek carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-72 over Little Rocky Creek?

The structure is 69 ft (21 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns S-12-72 over Little Rocky Creek?

It is owned by the State Highway Agency.