US Bridges

S-42-55 over Pacolet River

Fair

Spartanburg County, South Carolina · 6.0 MI SW Chesnee · Structure no. 000000000005621

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
303 ft
9 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-55 over Pacolet River is a concrete tee beam carrying S-42-55 over Pacolet River 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 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 750 vehicles a day, roughly 4% of them trucks, projected to reach 1,125 by 2043. The structure is 303 ft (92.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-42-55
CrossesPacolet River
Location6.0 MI SW Chesnee
RouteState Highway 55
Coordinates35.11025, -81.95889
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length303 ft (92.4 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,125 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-42-55 over Pacolet River built?

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

What condition is S-42-55 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 September 2023.

How much traffic does S-42-55 over Pacolet River carry?

About 750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-42-55 over Pacolet River?

The structure is 303 ft (92.4 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns S-42-55 over Pacolet River?

It is owned by the State Highway Agency.