US Bridges

I-85 Bridge Ramp over I-85

Good

Spartanburg County, South Carolina · Airport Access · Structure no. 000000000010045

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
318 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 Bridge Ramp over I-85 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-85 Bridge Ramp over I-85 in Spartanburg County, South Carolina. It was built in 2006, so it is 19 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 1,050 vehicles a day, roughly 9% of them trucks, projected to reach 2,090 by 2043. The structure is 318 ft (96.9 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-85 Bridge Ramp
CrossesI-85
LocationAirport Access
RouteInterstate 85
CountySpartanburg County
StateSouth Carolina
Coordinates34.87737, -82.21331
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 rating72.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length318 ft (96.9 m)
Longest span110 ft (33.5 m)
Deck width57 ft (17.4 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic2,090 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 I-85 built?

It was built in 2006, making it 19 years old in 2025.

What condition is I-85 Bridge Ramp over I-85 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 I-85 carry?

About 1,050 vehicles per day (2023 count), of which roughly 9% are trucks.

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

The structure is 318 ft (96.9 m) long with a longest span of 110 ft (33.5 m) and a deck 57 ft wide.

Who owns I-85 Bridge Ramp over I-85?

It is owned by the State Highway Agency.