US Bridges

Sc 6 over I-26

Fair

Calhoun County, South Carolina · 9MI W of ST Matthews · Structure no. 000000000003199

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
292 ft
4 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 6 over I-26 is a prestressed concrete stringer/multi-beam or girder carrying Sc 6 over I-26 in Calhoun County, South Carolina. It was built in 1960, 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 2,200 vehicles a day, roughly 23% of them trucks, projected to reach 3,498 by 2043. The structure is 292 ft (89 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSc 6
CrossesI-26
Location9MI W of ST Matthews
RouteState Highway 6
CountyCalhoun County
StateSouth Carolina
Coordinates33.67254, -80.89782
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length292 ft (89 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic3,498 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 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 Sc 6 over I-26 built?

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

What condition is Sc 6 over I-26 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 July 2024.

How much traffic does Sc 6 over I-26 carry?

About 2,200 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Sc 6 over I-26?

The structure is 292 ft (89 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns Sc 6 over I-26?

It is owned by the State Highway Agency.