US Bridges

Sc 150 over I-85

Good

Cherokee County, South Carolina · 1.5 MI N of Gaffney · Structure no. 000000000002919

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
196 ft
2 main spans
Daily traffic
9,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 150 over I-85 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 150 over I-85 in Cherokee County, South Carolina. It was built in 2011, so it is 14 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 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,690 by 2043. The structure is 196 ft (59.7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 150
CrossesI-85
Location1.5 MI N of Gaffney
RouteState Highway 150
Coordinates35.09656, -81.65737
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length196 ft (59.7 m)
Longest span98 ft (29.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2023)
Projected traffic12,690 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 150 over I-85 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sc 150 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 December 2023.

How much traffic does Sc 150 over I-85 carry?

About 9,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 150 over I-85?

The structure is 196 ft (59.7 m) long with a longest span of 98 ft (29.9 m) and a deck 47 ft wide.

Who owns Sc 150 over I-85?

It is owned by the State Highway Agency.