US Bridges

S-23-97 over Middle Saluda River

PoorPosted for load

Greenville County, South Carolina · 11.2MI NW Travelers Rest · Structure no. 000000000003662

Built
1961
64 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-97 over Middle Saluda River is a prestressed concrete channel beam carrying S-23-97 over Middle Saluda River in Greenville County, South Carolina. It was built in 1961, so it is 64 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,022 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-23-97
CrossesMiddle Saluda River
Location11.2MI NW Travelers Rest
RouteState Highway 97
Coordinates35.10394, -82.54803
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating33.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,022 by 2043
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$387,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-97 over Middle Saluda River built?

It was built in 1961, making it 64 years old in 2025.

What condition is S-23-97 over Middle Saluda River 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-23-97 over Middle Saluda River carry?

About 700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-23-97 over Middle Saluda 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-23-97 over Middle Saluda River?

It is owned by the State Highway Agency.