US Bridges

S-42-31 over Pacolet River

Good

Spartanburg County, South Carolina · 2.0 MI W Cowpens · Structure no. 000000000000169

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
425 ft
5 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-31 over Pacolet River is a prestressed concrete continuous stringer/multi-beam or girder carrying S-42-31 over Pacolet River in Spartanburg County, South Carolina. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,975 by 2043. The structure is 425 ft (129.5 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-42-31
CrossesPacolet River
Location2.0 MI W Cowpens
RouteState Highway 31
Coordinates35.01287, -81.83773
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length425 ft (129.5 m)
Longest span105 ft (32 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic7,975 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-42-31 over Pacolet River built?

It was built in 2002, making it 23 years old in 2025.

What condition is S-42-31 over Pacolet River 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 May 2023.

How much traffic does S-42-31 over Pacolet River carry?

About 5,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-42-31 over Pacolet River?

The structure is 425 ft (129.5 m) long with a longest span of 105 ft (32 m) and a deck 37 ft wide.

Who owns S-42-31 over Pacolet River?

It is owned by the State Highway Agency.