US Bridges

Harleston Creek-Br over Creek

Fair

Berkeley County, South Carolina · No Data Entered · Structure no. 081206000003159

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Harleston Creek-Br over Creek is a prestressed concrete channel beam carrying Harleston Creek-Br over Creek in Berkeley County, South Carolina. It was built in 1972, so it is 53 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 6 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 30 ft (9.2 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesHarleston Creek-Br
CrossesCreek
LocationNo Data Entered
RouteFederal Lands Road 170.1
CountyBerkeley County
StateSouth Carolina
Coordinates33.04445, -79.73507
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harleston Creek-Br over Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Harleston Creek-Br over Creek 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 November 2024.

How much traffic does Harleston Creek-Br over Creek carry?

About 50 vehicles per day (latest count).

How long is Harleston Creek-Br over Creek?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Harleston Creek-Br over Creek?

It is owned by the U.S. Forest Service.