US Bridges

US 176 Ramp over I-585 WB Exit

Good

Spartanburg County, South Carolina · 3.6 MI N of Spartanburg · Structure no. 000000000009953

Built
2006
19 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
514 ft
3 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 Ramp over I-585 WB Exit is a steel continuous stringer/multi-beam or girder carrying US 176 Ramp over I-585 WB Exit in Spartanburg County, South Carolina. It was built in 2006, so it is 19 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 1,600 vehicles a day, roughly 9% of them trucks, projected to reach 2,592 by 2043. The structure is 514 ft (156.8 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 176 Ramp
CrossesI-585 WB Exit
Location3.6 MI N of Spartanburg
RouteU.S. Route 176
Coordinates34.99219, -81.96886
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length514 ft (156.8 m)
Longest span232 ft (70.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,592 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 US 176 Ramp over I-585 WB Exit built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 176 Ramp over I-585 WB Exit 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 January 2024.

How much traffic does US 176 Ramp over I-585 WB Exit carry?

About 1,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 176 Ramp over I-585 WB Exit?

The structure is 514 ft (156.8 m) long with a longest span of 232 ft (70.6 m) and a deck 31 ft wide.

Who owns US 176 Ramp over I-585 WB Exit?

It is owned by the State Highway Agency.