US Bridges

S-39-98 over Trib to Rocky Bottom Ck

FairPosted for load

Pickens County, South Carolina · 11.0 MI N Pickens · Structure no. 000000000005840

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
125
2024 count
Owner
State
State Highway Agency

About this bridge

S-39-98 over Trib to Rocky Bottom Ck is a steel stringer/multi-beam or girder carrying S-39-98 over Trib to Rocky Bottom Ck in Pickens 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2044. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS-39-98
CrossesTrib to Rocky Bottom Ck
Location11.0 MI N Pickens
RouteState Highway 98
Coordinates35.01936, -82.79069
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic160 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-39-98 over Trib to Rocky Bottom Ck built?

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

What condition is S-39-98 over Trib to Rocky Bottom 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 December 2024.

How much traffic does S-39-98 over Trib to Rocky Bottom Ck carry?

About 125 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is S-39-98 over Trib to Rocky Bottom Ck?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.

Who owns S-39-98 over Trib to Rocky Bottom Ck?

It is owned by the State Highway Agency.