US Bridges

US 176 EB over I-26

Fair

Spartanburg County, South Carolina · 3.0 MI E of Inman · Structure no. 000000000003501

Built
1960
65 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
4 main spans
Daily traffic
9,750
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 EB over I-26 is a steel stringer/multi-beam or girder carrying US 176 EB over I-26 in Spartanburg County, South Carolina. It was built in 1960, so it is 65 years old, older 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 9,750 vehicles a day, roughly 4% of them trucks, projected to reach 14,138 by 2043. The structure is 282 ft (86 m) long and 32 ft wide.

CarriesUS 176 EB
CrossesI-26
Location3.0 MI E of Inman
RouteU.S. Route 176
Coordinates35.02706, -82.0352
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length282 ft (86 m)
Longest span74 ft (22.6 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2023)
Projected traffic14,138 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$969,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 176 EB over I-26 built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 176 EB over I-26 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 December 2023.

How much traffic does US 176 EB over I-26 carry?

About 9,750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 176 EB over I-26?

The structure is 282 ft (86 m) long with a longest span of 74 ft (22.6 m) and a deck 32 ft wide.

Who owns US 176 EB over I-26?

It is owned by the State Highway Agency.