US Bridges

US 176 over I-85 (new)

Good

Spartanburg County, South Carolina · 3.5 MI NW of Spartanburg · Structure no. 000000000008677

Built
1993
32 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
2 main spans
Daily traffic
10,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over I-85 (new) is a steel continuous stringer/multi-beam or girder carrying US 176 over I-85 (new) in Spartanburg County, South Carolina. It was built in 1993, so it is 32 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 10,150 vehicles a day, roughly 6% of them trucks, projected to reach 14,718 by 2043. The structure is 350 ft (106.7 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 176
CrossesI-85 (new)
Location3.5 MI NW of Spartanburg
RouteU.S. Route 176
CountySpartanburg County
StateSouth Carolina
Coordinates34.9975, -81.99306
Functional classUrban Minor Arterial

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.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span121 ft (36.9 m)
Deck width99 ft (30.2 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,150 (2023)
Projected traffic14,718 by 2043
Trucks6%
Lanes on structure6
Traffic directionTwo-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 US 176 over I-85 (new) built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 176 over I-85 (new) 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 US 176 over I-85 (new) carry?

About 10,150 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 176 over I-85 (new)?

The structure is 350 ft (106.7 m) long with a longest span of 121 ft (36.9 m) and a deck 99 ft wide.

Who owns US 176 over I-85 (new)?

It is owned by the State Highway Agency.