US Bridges

S-23-42 over N Saluda River Spillway

PoorPosted for load

Greenville County, South Carolina · 11.7MI N Travelers Rest · Structure no. 000000000002358

Built
1956
69 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
98 ft
7 main spans
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-42 over N Saluda River Spillway is a concrete slab carrying S-23-42 over N Saluda River Spillway in Greenville County, South Carolina. It was built in 1956, so it is 69 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 64 by 2043. The structure is 98 ft (29.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-23-42
CrossesN Saluda River Spillway
Location11.7MI N Travelers Rest
RouteState Highway 42
Coordinates35.13548, -82.41029
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 10
Structure length98 ft (29.9 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic64 by 2043
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$129,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-42 over N Saluda River Spillway built?

It was built in 1956, making it 69 years old in 2025.

What condition is S-23-42 over N Saluda River Spillway in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does S-23-42 over N Saluda River Spillway carry?

About 50 vehicles per day (2023 count).

How long is S-23-42 over N Saluda River Spillway?

The structure is 98 ft (29.9 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-23-42 over N Saluda River Spillway?

It is owned by the State Highway Agency.