US Bridges

I-85 Bridge Ramp over Ramp 8459

Good

Spartanburg County, South Carolina · Airport Access · Structure no. 000000000010052

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 Bridge Ramp over Ramp 8459 is a prestressed concrete stringer/multi-beam or girder carrying I-85 Bridge Ramp over Ramp 8459 in Spartanburg County, South Carolina. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,800 vehicles a day, roughly 9% of them trucks, projected to reach 9,552 by 2043. The structure is 106 ft (32.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85 Bridge Ramp
CrossesRamp 8459
LocationAirport Access
RouteInterstate 85
Coordinates34.87662, -82.21553
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length106 ft (32.3 m)
Longest span106 ft (32.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic9,552 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Bridge Ramp over Ramp 8459 built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-85 Bridge Ramp over Ramp 8459 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 October 2023.

How much traffic does I-85 Bridge Ramp over Ramp 8459 carry?

About 4,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-85 Bridge Ramp over Ramp 8459?

The structure is 106 ft (32.3 m) long with a longest span of 106 ft (32.3 m) and a deck 39 ft wide.

Who owns I-85 Bridge Ramp over Ramp 8459?

It is owned by the State Highway Agency.