US Bridges

S-3-53 over Log Branch

Good

Allendale County, South Carolina · 7MI SW Allendale · Structure no. 000000000003566

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-3-53 over Log Branch is a prestressed concrete box beam or girders - multiple carrying S-3-53 over Log Branch in Allendale County, South Carolina. It was built in 2017, so it is 8 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-3-53
CrossesLog Branch
Location7MI SW Allendale
RouteState Highway 53
Coordinates32.99231, -81.43303
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 rating60 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 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 traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-3-53 over Log Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is S-3-53 over Log 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 May 2023.

How much traffic does S-3-53 over Log Branch carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-3-53 over Log Branch?

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

Who owns S-3-53 over Log Branch?

It is owned by the State Highway Agency.