US Bridges

Sc 555 over RR CSXT

Fair

Richland County, South Carolina · 4 MI NE of Columbia · Structure no. 000000000003083

Built
1959
66 years old, rebuilt 1970
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
223 ft
5 main spans
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 555 over RR CSXT is a steel stringer/multi-beam or girder carrying Sc 555 over RR CSXT in Richland County, South Carolina. It was built in 1959 and reconstructed in 1970, so it is 66 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 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 11,200 vehicles a day, roughly 2% of them trucks, projected to reach 15,120 by 2043. The structure is 223 ft (68 m) long and 64 ft wide.

CarriesSc 555
CrossesRR CSXT
Location4 MI NE of Columbia
RouteState Highway 555
Coordinates34.05472, -81.00333
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length223 ft (68 m)
Longest span63 ft (19.2 m)
Deck width64 ft (19.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic15,120 by 2043
Trucks2%
Lanes on structure4
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 Sc 555 over RR CSXT built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1970.

What condition is Sc 555 over RR CSXT 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 February 2024.

How much traffic does Sc 555 over RR CSXT carry?

About 11,200 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sc 555 over RR CSXT?

The structure is 223 ft (68 m) long with a longest span of 63 ft (19.2 m) and a deck 64 ft wide.

Who owns Sc 555 over RR CSXT?

It is owned by the State Highway Agency.