US Bridges

S-25-29 over Salkehatchie River

Fair

Hampton County, South Carolina · 0.8 MI NE Hampton · Structure no. 000000000009200

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-25-29 over Salkehatchie River is a prestressed concrete slab carrying S-25-29 over Salkehatchie River in Hampton County, South Carolina. It was built in 1997, so it is 28 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 209 by 2043. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS-25-29
CrossesSalkehatchie River
Location0.8 MI NE Hampton
RouteState Highway 29
CountyHampton County
StateSouth Carolina
Coordinates32.95501, -81.02342
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic209 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-25-29 over Salkehatchie River built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-25-29 over Salkehatchie River 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-25-29 over Salkehatchie River carry?

About 150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-25-29 over Salkehatchie River?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns S-25-29 over Salkehatchie River?

It is owned by the State Highway Agency.