US Bridges

S-23-654 over Trib to Rocky Ck

FairPosted for load

Greenville County, South Carolina · 3.9 MI NE Mauldin · Structure no. 000000000005741

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,850
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-654 over Trib to Rocky Ck is a prestressed concrete channel beam carrying S-23-654 over Trib to Rocky Ck in Greenville County, South Carolina. It was built in 1970, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,850 vehicles a day, roughly 1% of them trucks, projected to reach 2,831 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-23-654
CrossesTrib to Rocky Ck
Location3.9 MI NE Mauldin
RouteState Highway 654
CountyGreenville County
StateSouth Carolina
Coordinates34.82498, -82.26942
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating11.8 US tons
Inventory rating3.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 10
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2023)
Projected traffic2,831 by 2043
Trucks1%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$236,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-654 over Trib to Rocky Ck built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-23-654 over Trib to Rocky Ck 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 July 2023.

How much traffic does S-23-654 over Trib to Rocky Ck carry?

About 1,850 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is S-23-654 over Trib to Rocky Ck?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-23-654 over Trib to Rocky Ck?

It is owned by the State Highway Agency.