US Bridges

US 176 over Holston Creek

Fair

Spartanburg County, South Carolina · 4.5 MI NW Inman · Structure no. 000000000000577

Built
1931
94 years old, rebuilt 1969
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
136 ft
6 main spans
Daily traffic
6,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over Holston Creek is a concrete tee beam carrying US 176 over Holston Creek in Spartanburg County, South Carolina. It was built in 1931 and reconstructed in 1969, so it is 94 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 6,300 vehicles a day, roughly 5% of them trucks, projected to reach 9,198 by 2043. The structure is 136 ft (41.5 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 176
CrossesHolston Creek
Location4.5 MI NW Inman
RouteU.S. Route 176
Coordinates35.09647, -82.14108
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length136 ft (41.5 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic9,198 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 176 over Holston Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1969.

What condition is US 176 over Holston Creek 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 January 2024.

How much traffic does US 176 over Holston Creek carry?

About 6,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 176 over Holston Creek?

The structure is 136 ft (41.5 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns US 176 over Holston Creek?

It is owned by the State Highway Agency.