US Bridges

S-42-989 over I-26

Fair

Spartanburg County, South Carolina · 8.3MI N Inman · Structure no. 000000000003123

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
241 ft
4 main spans
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-989 over I-26 is a prestressed concrete stringer/multi-beam or girder carrying S-42-989 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 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 375 vehicles a day, roughly 10% of them trucks, projected to reach 548 by 2043. The structure is 241 ft (73.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-42-989
CrossesI-26
Location8.3MI N Inman
RouteState Highway 989
Coordinates35.16261, -82.12745
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length241 ft (73.5 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic548 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
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-42-989 over I-26 built?

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

What condition is S-42-989 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 May 2023.

How much traffic does S-42-989 over I-26 carry?

About 375 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-42-989 over I-26?

The structure is 241 ft (73.5 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns S-42-989 over I-26?

It is owned by the State Highway Agency.