US Bridges

Sc 46/MAY River RD over Rose Dhu Creek

Good

Beaufort County, South Carolina · 4MI W of Bluffton · Structure no. 000000000000484

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
15,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 46/MAY River RD over Rose Dhu Creek is a concrete continuous slab carrying Sc 46/MAY River RD over Rose Dhu Creek in Beaufort County, South Carolina. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,700 vehicles a day, roughly 7% of them trucks, projected to reach 17,584 by 2043. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSc 46/MAY River RD
CrossesRose Dhu Creek
Location4MI W of Bluffton
RouteState Highway 46
CountyBeaufort County
StateSouth Carolina
Coordinates32.23189, -80.92895
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,700 (2023)
Projected traffic17,584 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sc 46/MAY River RD over Rose Dhu Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Sc 46/MAY River RD over Rose Dhu Creek 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 August 2024.

How much traffic does Sc 46/MAY River RD over Rose Dhu Creek carry?

About 15,700 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sc 46/MAY River RD over Rose Dhu Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns Sc 46/MAY River RD over Rose Dhu Creek?

It is owned by the State Highway Agency.