US Bridges

US 301 SB over S Edisto River

Good

Bamberg County, South Carolina · 3 MI N of Bamberg · Structure no. 000000000010532

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
630 ft
4 main spans
Daily traffic
3,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 301 SB over S Edisto River is a prestressed concrete stringer/multi-beam or girder carrying US 301 SB over S Edisto River in Bamberg County, South Carolina. It was built in 2023, so it is 2 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 3,150 vehicles a day, roughly 8% of them trucks, projected to reach 5,481 by 2043. The structure is 630 ft (192 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 301 SB
CrossesS Edisto River
Location3 MI N of Bamberg
RouteU.S. Route 301
Coordinates33.33712, -81.01896
Functional classRural Principal Arterial - Other

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+10 approach)
Design loadHL 93
Structure length630 ft (192 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2023)
Projected traffic5,481 by 2043
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 301 SB over S Edisto River built?

It was built in 2023, making it 2 years old in 2025.

What condition is US 301 SB over S Edisto River 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 June 2024.

How much traffic does US 301 SB over S Edisto River carry?

About 3,150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 301 SB over S Edisto River?

The structure is 630 ft (192 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns US 301 SB over S Edisto River?

It is owned by the State Highway Agency.