US Bridges

US 301 over I-26

Fair

Orangeburg County, South Carolina · 7 MI E Orangeburg · Structure no. 000000000003726

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 301 over I-26 is a prestressed concrete stringer/multi-beam or girder carrying US 301 over I-26 in Orangeburg County, South Carolina. It was built in 1961, so it is 64 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15,500 vehicles a day, roughly 16% of them trucks, projected to reach 26,970 by 2043. The structure is 280 ft (85.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 301
CrossesI-26
Location7 MI E Orangeburg
RouteU.S. Route 301
CountyOrangeburg County
StateSouth Carolina
Coordinates33.4581, -80.72996
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width62 ft (19 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic26,970 by 2043
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 301 over I-26 built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 301 over I-26 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does US 301 over I-26 carry?

About 15,500 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 301 over I-26?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 62 ft wide.

Who owns US 301 over I-26?

It is owned by the State Highway Agency.