US Bridges

S-30-731 over South Durbin Cr.

Good

Laurens County, South Carolina · 6.0 MI NW Gray Court · Structure no. 000000000009039

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-731 over South Durbin Cr. is a prestressed concrete stringer/multi-beam or girder carrying S-30-731 over South Durbin Cr. in Laurens County, South Carolina. It was built in 1996, so it is 29 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 2,304 by 2043. The structure is 160 ft (48.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-30-731
CrossesSouth Durbin Cr.
Location6.0 MI NW Gray Court
RouteState Highway 731
Coordinates34.68687, -82.15295
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length160 ft (48.8 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic2,304 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-30-731 over South Durbin Cr. built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-30-731 over South Durbin Cr. 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 May 2023.

How much traffic does S-30-731 over South Durbin Cr. carry?

About 1,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-30-731 over South Durbin Cr.?

The structure is 160 ft (48.8 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns S-30-731 over South Durbin Cr.?

It is owned by the State Highway Agency.