US Bridges

Sc 198 over I-85

Good

Cherokee County, South Carolina · 1 MI N of Blacksburg · Structure no. 000000000010744

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
218 ft
2 main spans
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 198 over I-85 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 198 over I-85 in Cherokee County, South Carolina. It was built in 2022, so it is 3 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 2,400 vehicles a day, roughly 13% of them trucks, projected to reach 3,504 by 2043. The structure is 218 ft (66.4 m) long and 73 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 198
CrossesI-85
Location1 MI N of Blacksburg
RouteState Highway 198
Coordinates35.14098, -81.50847
Functional classRural Major 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.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 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 alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length218 ft (66.4 m)
Longest span109 ft (33.2 m)
Deck width73 ft (22.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,504 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 198 over I-85 built?

It was built in 2022, making it 3 years old in 2025.

What condition is Sc 198 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 August 2023.

How much traffic does Sc 198 over I-85 carry?

About 2,400 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Sc 198 over I-85?

The structure is 218 ft (66.4 m) long with a longest span of 109 ft (33.2 m) and a deck 73 ft wide.

Who owns Sc 198 over I-85?

It is owned by the State Highway Agency.