US Bridges

US 221 over Chinquepin Creek

Fair

Spartanburg County, South Carolina · 1.4MI N Spartanburg · Structure no. 000000000001556

Built
1948
77 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
68 ft
3 main spans
Daily traffic
18,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 221 over Chinquepin Creek is a concrete culvert carrying US 221 over Chinquepin Creek in Spartanburg County, South Carolina. It was built in 1948, so it is 77 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 18,800 vehicles a day, roughly 3% of them trucks, projected to reach 37,412 by 2043. The structure is 68 ft (20.7 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesUS 221
CrossesChinquepin Creek
Location1.4MI N Spartanburg
RouteU.S. Route 221
CountySpartanburg County
StateSouth Carolina
Coordinates34.97189, -81.94035
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length68 ft (20.7 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2023)
Projected traffic37,412 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$246,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 221 over Chinquepin Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is US 221 over Chinquepin 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 February 2024.

How much traffic does US 221 over Chinquepin Creek carry?

About 18,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 221 over Chinquepin Creek?

The structure is 68 ft (20.7 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns US 221 over Chinquepin Creek?

It is owned by the State Highway Agency.