US Bridges

S-25-50 over Sanders Branch

Good

Hampton County, South Carolina · 1MI SW Varnville · Structure no. 000000000009203

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
98 ft
3 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-25-50 over Sanders Branch is a concrete slab carrying S-25-50 over Sanders Branch 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 17% of them trucks, projected to reach 2,336 by 2043. The structure is 98 ft (30 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-25-50
CrossesSanders Branch
Location1MI SW Varnville
RouteState Highway 50
Coordinates32.82823, -81.09262
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (30 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,336 by 2043
Trucks17%
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-25-50 over Sanders Branch built?

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

What condition is S-25-50 over Sanders Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does S-25-50 over Sanders Branch carry?

About 1,600 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is S-25-50 over Sanders Branch?

The structure is 98 ft (30 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns S-25-50 over Sanders Branch?

It is owned by the State Highway Agency.