US Bridges

I-26 WB over S.C. 33 & S.C.L. RR

Fair

Orangeburg County, South Carolina · 1.5 MI NW of Orangeburg · Structure no. 000000000003426

Built
1960
65 years old, rebuilt 1981
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
296 ft
4 main spans
Daily traffic
27,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 WB over S.C. 33 & S.C.L. RR is a steel stringer/multi-beam or girder carrying I-26 WB over S.C. 33 & S.C.L. RR in Orangeburg County, South Carolina. It was built in 1960 and reconstructed in 1981, so it is 65 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 27,800 vehicles a day, roughly 21% of them trucks, projected to reach 44,480 by 2043. The structure is 296 ft (90.2 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesI-26 WB
CrossesS.C. 33 & S.C.L. RR
Location1.5 MI NW of Orangeburg
RouteInterstate 26
CountyOrangeburg County
StateSouth Carolina
Coordinates33.51958, -80.7907
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span74 ft (22.6 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,800 (2023)
Projected traffic44,480 by 2043
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$884,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26 WB over S.C. 33 & S.C.L. RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.

What condition is I-26 WB over S.C. 33 & S.C.L. 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 August 2023.

How much traffic does I-26 WB over S.C. 33 & S.C.L. RR carry?

About 27,800 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-26 WB over S.C. 33 & S.C.L. RR?

The structure is 296 ft (90.2 m) long with a longest span of 74 ft (22.6 m) and a deck 46 ft wide.

Who owns I-26 WB over S.C. 33 & S.C.L. RR?

It is owned by the State Highway Agency.