US Bridges

S-42-40 over I-26

Good

Spartanburg County, South Carolina · 5.7 MI NW Spartanburg · Structure no. 000000000003111

Built
1959
66 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
6,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-40 over I-26 is a prestressed concrete stringer/multi-beam or girder carrying S-42-40 over I-26 in Spartanburg County, South Carolina. It was built in 1959, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,800 vehicles a day, roughly 6% of them trucks, projected to reach 9,860 by 2043. The structure is 210 ft (64 m) long and 32 ft wide.

CarriesS-42-40
CrossesI-26
Location5.7 MI NW Spartanburg
RouteState Highway 40
Coordinates34.99104, -82.02014
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 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 traffic6,800 (2023)
Projected traffic9,860 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 S-42-40 over I-26 built?

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

What condition is S-42-40 over I-26 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does S-42-40 over I-26 carry?

About 6,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-42-40 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 S-42-40 over I-26?

It is owned by the State Highway Agency.