US Bridges

S-42-489 over I-26

Fair

Spartanburg County, South Carolina · 5.0 MI SW Spartanburg · Structure no. 000000000003511

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
4 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-489 over I-26 is a steel stringer/multi-beam or girder carrying S-42-489 over I-26 in Spartanburg 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 3,300 vehicles a day, roughly 3% of them trucks, projected to reach 4,950 by 2043. The structure is 252 ft (76.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-42-489
CrossesI-26
Location5.0 MI SW Spartanburg
RouteState Highway 489
CountySpartanburg County
StateSouth Carolina
Coordinates34.89791, -81.99214
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic4,950 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$596,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-42-489 over I-26 built?

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

What condition is S-42-489 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 September 2023.

How much traffic does S-42-489 over I-26 carry?

About 3,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-42-489 over I-26?

The structure is 252 ft (76.8 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns S-42-489 over I-26?

It is owned by the State Highway Agency.