US Bridges

Sc 291 over I-85

Fair

Greenville County, South Carolina · 1.0 MI S of Greenville · Structure no. 000000000009182

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
406 ft
2 main spans
Daily traffic
13,550
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 291 over I-85 is a steel continuous stringer/multi-beam or girder carrying Sc 291 over I-85 in Greenville County, South Carolina. It was built in 1997, so it is 28 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,550 vehicles a day, roughly 10% of them trucks, projected to reach 19,648 by 2043. The structure is 406 ft (123.6 m) long and 130 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSc 291
CrossesI-85
Location1.0 MI S of Greenville
RouteState Highway 291
CountyGreenville County
StateSouth Carolina
Coordinates34.79667, -82.37642
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length406 ft (123.6 m)
Longest span152 ft (46.3 m)
Deck width130 ft (39.6 m)
Roadway width127 ft (38.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,550 (2023)
Projected traffic19,648 by 2043
Trucks10%
Lanes on structure8
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 291 over I-85 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sc 291 over I-85 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Sc 291 over I-85 carry?

About 13,550 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sc 291 over I-85?

The structure is 406 ft (123.6 m) long with a longest span of 152 ft (46.3 m) and a deck 130 ft wide.

Who owns Sc 291 over I-85?

It is owned by the State Highway Agency.