US Bridges

Sc 81 NB over I-85

Good

Anderson County, South Carolina · 9.4MI NE of Anderson · Structure no. 000000000004028

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
356 ft
2 main spans
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 81 NB over I-85 is a steel continuous stringer/multi-beam or girder carrying Sc 81 NB over I-85 in Anderson County, South Carolina. It was built in 2002, so it is 23 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 4,500 vehicles a day, roughly 9% of them trucks, projected to reach 8,235 by 2043. The structure is 356 ft (108.5 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSc 81 NB
CrossesI-85
Location9.4MI NE of Anderson
RouteState Highway 81
CountyAnderson County
StateSouth Carolina
Coordinates34.63264, -82.59912
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length356 ft (108.5 m)
Longest span178 ft (54.3 m)
Deck width78 ft (23.9 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic8,235 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 81 NB over I-85 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sc 81 NB 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 81 NB over I-85 carry?

About 4,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 81 NB over I-85?

The structure is 356 ft (108.5 m) long with a longest span of 178 ft (54.3 m) and a deck 78 ft wide.

Who owns Sc 81 NB over I-85?

It is owned by the State Highway Agency.