US Bridges

I-85 NB over S-43

Good

Spartanburg County, South Carolina · 2.3 Mi_n of Spartanburg · Structure no. 000000000008672

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
175 ft
3 main spans
Daily traffic
35,450
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 NB over S-43 is a steel stringer/multi-beam or girder carrying I-85 NB over S-43 in Spartanburg County, South Carolina. It was built in 1993, so it is 32 years old, younger 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 35,450 vehicles a day, roughly 23% of them trucks, projected to reach 44,313 by 2043. The structure is 175 ft (53.3 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 NB
CrossesS-43
Location2.3 Mi_n of Spartanburg
RouteInterstate 85
Coordinates35.01249, -81.94955
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span111 ft (33.8 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,450 (2023)
Projected traffic44,313 by 2043
Trucks23%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 NB over S-43 built?

It was built in 1993, making it 32 years old in 2025.

What condition is I-85 NB over S-43 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 I-85 NB over S-43 carry?

About 35,450 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-85 NB over S-43?

The structure is 175 ft (53.3 m) long with a longest span of 111 ft (33.8 m) and a deck 63 ft wide.

Who owns I-85 NB over S-43?

It is owned by the State Highway Agency.