US Bridges

C-23-511 over Rocky Creek

Good

Greenville County, South Carolina · 1 MI East of Greenville · Structure no. 000000000010125

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
3,300
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-511 over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying C-23-511 over Rocky Creek in Greenville 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 3,300 vehicles a day, roughly 2% of them trucks, projected to reach 5,049 by 2043. The structure is 112 ft (34.1 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesC-23-511
CrossesRocky Creek
Location1 MI East of Greenville
RouteCounty Highway 511
CountyGreenville County
StateSouth Carolina
Coordinates34.85388, -82.30015
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.1 US tons
Inventory rating11.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span112 ft (34.1 m)
Deck width37 ft (11.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,049 by 2043
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 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 C-23-511 over Rocky Creek built?

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

What condition is C-23-511 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-23-511 over Rocky Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is C-23-511 over Rocky Creek?

The structure is 112 ft (34.1 m) long with a longest span of 112 ft (34.1 m) and a deck 37 ft wide.

Who owns C-23-511 over Rocky Creek?

It is owned by the County Highway Agency.