US Bridges

S-42-30 over Trib to Pacolet River

FairPosted for load

Spartanburg County, South Carolina · 13.5MI SW Cowpens · Structure no. 000000000003507

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-30 over Trib to Pacolet River is a prestressed concrete channel beam carrying S-42-30 over Trib to Pacolet River in Spartanburg County, South Carolina. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 4,608 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-42-30
CrossesTrib to Pacolet River
Location13.5MI SW Cowpens
RouteState Highway 30
Coordinates35.00667, -81.82833
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating20.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic4,608 by 2043
Trucks5%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$174,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1960, making it 65 years old in 2025.

What condition is S-42-30 over Trib to 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 September 2024.

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

About 3,600 vehicles per day (2023 count), of which roughly 5% are trucks.

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

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-42-30 over Trib to Pacolet River?

It is owned by the State Highway Agency.