US Bridges

S-25-168 over John Pen Branch

Fair

Hampton County, South Carolina · 7.5MI SE Estill · Structure no. 000000000008356

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

S-25-168 over John Pen Branch is a concrete slab carrying S-25-168 over John Pen Branch in Hampton County, South Carolina. It was built in 1990, so it is 35 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 29% of them trucks, projected to reach 292 by 2043. The structure is 30 ft (9.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-25-168
CrossesJohn Pen Branch
Location7.5MI SE Estill
RouteState Highway 168
Coordinates32.69307, -81.15841
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic292 by 2043
Trucks29%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-25-168 over John Pen Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is S-25-168 over John Pen Branch 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 March 2023.

How much traffic does S-25-168 over John Pen Branch carry?

About 200 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is S-25-168 over John Pen Branch?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns S-25-168 over John Pen Branch?

It is owned by the State Highway Agency.