US Bridges

S-23-147 over CSX Railroad

Fair

Greenville County, South Carolina · City Greenv-Washington ST · Structure no. 000000000001719

Built
2005
20 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
3 main spans
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-147 over CSX Railroad is a steel continuous stringer/multi-beam or girder carrying S-23-147 over CSX Railroad in Greenville County, South Carolina. It was built in 2005, so it is 20 years old, younger 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 5 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 5,600 vehicles a day, roughly 2% of them trucks, projected to reach 8,568 by 2043. The structure is 199 ft (60.7 m) long and 31 ft wide.

CarriesS-23-147
CrossesCSX Railroad
LocationCity Greenv-Washington ST
RouteState Highway 147
Coordinates34.86412, -82.41891
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length199 ft (60.7 m)
Longest span95 ft (29 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic8,568 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-23-147 over CSX Railroad built?

It was built in 2005, making it 20 years old in 2025.

What condition is S-23-147 over CSX Railroad 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 May 2023.

How much traffic does S-23-147 over CSX Railroad carry?

About 5,600 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-23-147 over CSX Railroad?

The structure is 199 ft (60.7 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns S-23-147 over CSX Railroad?

It is owned by the State Highway Agency.