US Bridges

C-23-4922 over Rocky Creek

Good

Greenville County, South Carolina · 6.2 MI E Greenville · Structure no. 000000000006684

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-4922 over Rocky Creek is a prestressed concrete slab carrying C-23-4922 over Rocky Creek in Greenville County, South Carolina. It was built in 2014, so it is 11 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 60 ft (18.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC-23-4922
CrossesRocky Creek
Location6.2 MI E Greenville
RouteCounty Highway 4922
Coordinates34.85543, -82.29415
Functional classUrban 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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width39 ft (11.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic320 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-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-23-4922 over Rocky Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is C-23-4922 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-23-4922 over Rocky Creek carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-4922 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 39 ft wide.

Who owns C-23-4922 over Rocky Creek?

It is owned by the County Highway Agency.