US Bridges

S-15-51/BEACH RD over Trib to Ashepoo River

Fair

Colleton County, South Carolina · 2MI Wnw Waltb · Structure no. 000000000002022

Built
1954
71 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-51/BEACH RD over Trib to Ashepoo River is a concrete slab carrying S-15-51/BEACH RD over Trib to Ashepoo River in Colleton County, South Carolina. It was built in 1954, so it is 71 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 425 vehicles a day, roughly 9% of them trucks, projected to reach 599 by 2043. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-15-51/BEACH RD
CrossesTrib to Ashepoo River
Location2MI Wnw Waltb
RouteState Highway 51
CountyColleton County
StateSouth Carolina
Coordinates32.89119, -80.69718
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic599 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-15-51/BEACH RD over Trib to Ashepoo River built?

It was built in 1954, making it 71 years old in 2025.

What condition is S-15-51/BEACH RD over Trib to Ashepoo River 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 January 2024.

How much traffic does S-15-51/BEACH RD over Trib to Ashepoo River carry?

About 425 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-15-51/BEACH RD over Trib to Ashepoo River?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-15-51/BEACH RD over Trib to Ashepoo River?

It is owned by the State Highway Agency.