US Bridges

S-23-46 over CSXT RR

Fair

Greenville County, South Carolina · City of Greenville · Structure no. 000000000005295

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
3 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-46 over CSXT RR is a steel stringer/multi-beam or girder carrying S-23-46 over CSXT RR in Greenville County, South Carolina. It was built in 1968, so it is 57 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 5,355 by 2043. The structure is 135 ft (41.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-46
CrossesCSXT RR
LocationCity of Greenville
RouteState Highway 46
Coordinates34.8911, -82.37505
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic5,355 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-23-46 over CSXT RR built?

It was built in 1968, making it 57 years old in 2025.

What condition is S-23-46 over CSXT RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does S-23-46 over CSXT RR carry?

About 3,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-23-46 over CSXT RR?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 37 ft wide.

Who owns S-23-46 over CSXT RR?

It is owned by the State Highway Agency.