US Bridges

I-26 EB over U.S. 221

Fair

Spartanburg County, South Carolina · 8.1 MI S Spartanburg · Structure no. 000000000003484

Built
1960
65 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
4 main spans
Daily traffic
15,950
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 EB over U.S. 221 is a prestressed concrete stringer/multi-beam or girder carrying I-26 EB over U.S. 221 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 15,950 vehicles a day, roughly 16% of them trucks, projected to reach 19,938 by 2043. The structure is 215 ft (65.5 m) long and 47 ft wide.

CarriesI-26 EB
CrossesU.S. 221
Location8.1 MI S Spartanburg
RouteInterstate 26
Coordinates34.838, -81.97075
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,950 (2023)
Projected traffic19,938 by 2043
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26 EB over U.S. 221 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 U.S. 221 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 U.S. 221 carry?

About 15,950 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-26 EB over U.S. 221?

The structure is 215 ft (65.5 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns I-26 EB over U.S. 221?

It is owned by the State Highway Agency.