US Bridges

L-23-3557 over Middle Saluda River

Good

Greenville County, South Carolina · 12.6 MI NW Travelers Rest · Structure no. 000000000009435

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
72 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

L-23-3557 over Middle Saluda River is a prestressed concrete slab carrying L-23-3557 over Middle Saluda River in Greenville County, South Carolina. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 72 ft (21.9 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesL-23-3557
CrossesMiddle Saluda River
Location12.6 MI NW Travelers Rest
RouteCounty Highway 3557
Coordinates35.12644, -82.55278
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating89.6 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span36 ft (11 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$203,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was L-23-3557 over Middle Saluda River built?

It was built in 1999, making it 26 years old in 2025.

What condition is L-23-3557 over Middle Saluda River 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 June 2024.

How much traffic does L-23-3557 over Middle Saluda River carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-23-3557 over Middle Saluda River?

The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 19 ft wide.

Who owns L-23-3557 over Middle Saluda River?

It is owned by the County Highway Agency.