US Bridges

C-23-512 over Rocky Creek

Good

Greenville County, South Carolina · 5.5 MI E.Greenville · Structure no. 000000000004552

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
3,100
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-512 over Rocky Creek is a prestressed concrete slab carrying C-23-512 over Rocky Creek in Greenville County, South Carolina. It was built in 2012, so it is 13 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 3,100 vehicles a day, roughly 3% of them trucks, projected to reach 4,743 by 2043. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesC-23-512
CrossesRocky Creek
Location5.5 MI E.Greenville
RouteCounty Highway 512
CountyGreenville County
StateSouth Carolina
Coordinates34.85183, -82.28586
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic4,743 by 2043
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$165,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-23-512 over Rocky Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is C-23-512 over 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 July 2024.

How much traffic does C-23-512 over Rocky Creek carry?

About 3,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is C-23-512 over Rocky Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns C-23-512 over Rocky Creek?

It is owned by the County Highway Agency.