US Bridges

S-25-31 over Sanders Branch

Good

Hampton County, South Carolina · Hampton City Limits · Structure no. 000000000003325

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-25-31 over Sanders Branch is a concrete culvert carrying S-25-31 over Sanders Branch in Hampton County, South Carolina. It was built in 2004, so it is 21 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,096 by 2043. The structure is 34 ft (10.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-25-31
CrossesSanders Branch
LocationHampton City Limits
RouteState Highway 31
Coordinates32.86729, -81.09872
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating107.1 US tons
Inventory rating82.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,096 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-25-31 over Sanders Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is S-25-31 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-25-31 over Sanders Branch carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-25-31 over Sanders Branch?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 38 ft wide.

Who owns S-25-31 over Sanders Branch?

It is owned by the State Highway Agency.