US Bridges

S-42-30 over Pacolet River

FairPosted for load

Spartanburg County, South Carolina · 2.5 MI SW Cowpens · Structure no. 000000000002087

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
5 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-30 over Pacolet River is a steel continuous stringer/multi-beam or girder carrying S-42-30 over Pacolet River in Spartanburg County, South Carolina. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,600 vehicles a day, roughly 6% of them trucks, projected to reach 5,400 by 2043. The structure is 300 ft (91.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-30
CrossesPacolet River
Location2.5 MI SW Cowpens
RouteState Highway 30
Coordinates34.98424, -81.82419
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length300 ft (91.4 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,400 by 2043
Trucks6%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$830,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-42-30 over Pacolet River built?

It was built in 1954, making it 71 years old in 2025.

What condition is S-42-30 over Pacolet River 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 May 2023.

How much traffic does S-42-30 over Pacolet River carry?

About 3,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-42-30 over Pacolet River?

The structure is 300 ft (91.4 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns S-42-30 over Pacolet River?

It is owned by the State Highway Agency.