US Bridges

S-39-98 over Trib to Rocky Bottom Ck

PoorPosted for load

Pickens County, South Carolina · 11.0 MI N Pickens · Structure no. 000000000007500

Built
1981
44 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
2 main spans
Daily traffic
125
2023 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 1981, so it is 44 years old, younger 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 3 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 25 ft (7.6 m) long and 23 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
Coordinates35.02034, -82.79002
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.9 US tons
Inventory rating7.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span14 ft (4.3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
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$165,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1981, making it 44 years old in 2025.

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

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

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

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

The structure is 25 ft (7.6 m) long with a longest span of 14 ft (4.3 m) and a deck 23 ft wide.

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

It is owned by the State Highway Agency.