US Bridges

Sc 66 over I-26

Fair

Laurens County, South Carolina · 15.1 MI SE of Laurens · Structure no. 000000000003014

Built
1959
66 years old, rebuilt 2011
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
210 ft
4 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 66 over I-26 is a concrete tee beam carrying Sc 66 over I-26 in Laurens County, South Carolina. It was built in 1959 and reconstructed in 2011, 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 1,300 vehicles a day, roughly 19% of them trucks, projected to reach 1,898 by 2043. The structure is 210 ft (64 m) long and 32 ft wide.

CarriesSc 66
CrossesI-26
Location15.1 MI SE of Laurens
RouteState Highway 66
Coordinates34.43976, -81.76158
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length210 ft (64 m)
Longest span55 ft (16.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,898 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 66 over I-26 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2011.

What condition is Sc 66 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 66 over I-26 carry?

About 1,300 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Sc 66 over I-26?

The structure is 210 ft (64 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.

Who owns Sc 66 over I-26?

It is owned by the State Highway Agency.