US Bridges

S-41-78 over Big Ck

Good

Saluda County, South Carolina · 4.8 MI NW of Saluda · Structure no. 000000000008923

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

S-41-78 over Big Ck is a prestressed concrete stringer/multi-beam or girder carrying S-41-78 over Big Ck in Saluda County, South Carolina. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 8% of them trucks, projected to reach 417 by 2043. The structure is 110 ft (33.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-41-78
CrossesBig Ck
Location4.8 MI NW of Saluda
RouteState Highway 78
Coordinates34.06694, -81.80393
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic417 by 2043
Trucks8%
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 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-41-78 over Big Ck built?

It was built in 1995, making it 30 years old in 2025.

What condition is S-41-78 over Big Ck 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 August 2023.

How much traffic does S-41-78 over Big Ck carry?

About 300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-41-78 over Big Ck?

The structure is 110 ft (33.5 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns S-41-78 over Big Ck?

It is owned by the State Highway Agency.