US Bridges

C-23-168 over Trib to Rocky CR

Good

Greenville County, South Carolina · 6.8 MI S Greer · Structure no. 000000000007801

Built
1984
41 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

C-23-168 over Trib to Rocky CR is a prestressed concrete slab carrying C-23-168 over Trib to Rocky CR in Greenville County, South Carolina. It was built in 1984, so it is 41 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 7 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 5% of them trucks, projected to reach 192 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-23-168
CrossesTrib to Rocky CR
Location6.8 MI S Greer
RouteCounty Highway 4829
Coordinates34.83648, -82.23579
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 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 rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-23-168 over Trib to Rocky CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is C-23-168 over Trib to Rocky CR 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-23-168 over Trib to Rocky CR carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-168 over Trib to Rocky CR?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns C-23-168 over Trib to Rocky CR?

It is owned by the County Highway Agency.