US Bridges

C-23-310 over CSXT RR

Good

Greenville County, South Carolina · In Greenville Off Sc 291 · Structure no. 000000000009328

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
3,600
2023 count
Owner
Railroad
Railroad

About this bridge

C-23-310 over CSXT RR is a prestressed concrete stringer/multi-beam or girder carrying C-23-310 over CSXT RR in Greenville County, South Carolina. It was built in 1998, so it is 27 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 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 5,508 by 2043. The structure is 61 ft (18.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-23-310
CrossesCSXT RR
LocationIn Greenville Off Sc 291
RouteCounty Highway 310
Coordinates34.88546, -82.39095
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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60.4 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span61 ft (18.6 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,508 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was C-23-310 over CSXT RR built?

It was built in 1998, making it 27 years old in 2025.

What condition is C-23-310 over CSXT RR 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-23-310 over CSXT RR carry?

About 3,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-23-310 over CSXT RR?

The structure is 61 ft (18.6 m) long with a longest span of 61 ft (18.6 m) and a deck 36 ft wide.

Who owns C-23-310 over CSXT RR?

It is owned by the Railroad.