US Bridges

US 176 over Chinquepin Creek

Good

Spartanburg County, South Carolina · City of Spartanburg · Structure no. 000000000005620

Built
1969
56 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
41,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over Chinquepin Creek is a concrete culvert carrying US 176 over Chinquepin Creek in Spartanburg County, South Carolina. It was built in 1969, so it is 56 years old, older 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 41,600 vehicles a day, roughly 5% of them trucks, projected to reach 82,784 by 2043. The structure is 40 ft (12.2 m) long and 143 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 176
CrossesChinquepin Creek
LocationCity of Spartanburg
RouteU.S. Route 176
Coordinates34.96741, -81.93329
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width143 ft (43.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,600 (2023)
Projected traffic82,784 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$20,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 176 over Chinquepin Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is US 176 over Chinquepin Creek 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 over Chinquepin Creek carry?

About 41,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 176 over Chinquepin Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 143 ft wide.

Who owns US 176 over Chinquepin Creek?

It is owned by the State Highway Agency.