US Bridges

S-15-51/BEACH RD over I-95

Fair

Colleton County, South Carolina · 2.5 MI W Waltb · Structure no. 000000000006259

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
305 ft
4 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-15-51/BEACH RD over I-95 is a steel continuous stringer/multi-beam or girder carrying S-15-51/BEACH RD over I-95 in Colleton County, South Carolina. It was built in 1973, so it is 52 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 305 ft (93 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesS-15-51/BEACH RD
CrossesI-95
Location2.5 MI W Waltb
RouteState Highway 51
CountyColleton County
StateSouth Carolina
Coordinates32.8956, -80.70929
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length305 ft (93 m)
Longest span113 ft (34.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 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
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-15-51/BEACH RD over I-95 built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-15-51/BEACH RD over I-95 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 March 2023.

How much traffic does S-15-51/BEACH RD over I-95 carry?

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

How long is S-15-51/BEACH RD over I-95?

The structure is 305 ft (93 m) long with a longest span of 113 ft (34.4 m) and a deck 41 ft wide.

Who owns S-15-51/BEACH RD over I-95?

It is owned by the State Highway Agency.