US Bridges

I-26 EB over South Tyger River

Fair

Spartanburg County, South Carolina · 5.0 MI NE Woodruff · Structure no. 000000000003486

Built
1960
65 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
8 main spans
Daily traffic
14,300
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 EB over South Tyger River is a prestressed concrete stringer/multi-beam or girder carrying I-26 EB over South Tyger River in Spartanburg County, South Carolina. It was built in 1960 and reconstructed in 1995, 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 6 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 14,300 vehicles a day, roughly 18% of them trucks, projected to reach 19,734 by 2043. The structure is 400 ft (121.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26 EB
CrossesSouth Tyger River
Location5.0 MI NE Woodruff
RouteInterstate 26
Coordinates34.76434, -81.95401
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2023)
Projected traffic19,734 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-26 EB over South Tyger River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1995.

What condition is I-26 EB over South Tyger River 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 January 2024.

How much traffic does I-26 EB over South Tyger River carry?

About 14,300 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-26 EB over South Tyger River?

The structure is 400 ft (121.9 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns I-26 EB over South Tyger River?

It is owned by the State Highway Agency.