US Bridges

S-40-734 over Dry Branch

Good

Richland County, South Carolina · 7 MI W of Eastover · Structure no. 000000000003746

Built
2019
6 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-734 over Dry Branch is a prestressed concrete slab carrying S-40-734 over Dry Branch in Richland County, South Carolina. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 275 vehicles a day, roughly 5% of them trucks, projected to reach 534 by 2043. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-40-734
CrossesDry Branch
Location7 MI W of Eastover
RouteState Highway 734
Coordinates33.84519, -80.81578
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic534 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-40-734 over Dry Branch built?

It was built in 2019, making it 6 years old in 2025.

What condition is S-40-734 over Dry 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 January 2025.

How much traffic does S-40-734 over Dry Branch carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-40-734 over Dry Branch?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S-40-734 over Dry Branch?

It is owned by the State Highway Agency.