US Bridges

Sc 9 NB over Naked Creek

Fair

Marlboro County, South Carolina · 4 MI SE of Wallace · Structure no. 000000000000053

Built
1932
93 years old, rebuilt 1962
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
4,150
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 9 NB over Naked Creek is a concrete tee beam carrying Sc 9 NB over Naked Creek in Marlboro County, South Carolina. It was built in 1932 and reconstructed in 1962, so it is 93 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 4,150 vehicles a day, roughly 15% of them trucks, projected to reach 7,221 by 2043. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 9 NB
CrossesNaked Creek
Location4 MI SE of Wallace
RouteState Highway 9
Coordinates34.68246, -79.75435
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2023)
Projected traffic7,221 by 2043
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 9 NB over Naked Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1962.

What condition is Sc 9 NB over Naked 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 October 2023.

How much traffic does Sc 9 NB over Naked Creek carry?

About 4,150 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sc 9 NB over Naked Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns Sc 9 NB over Naked Creek?

It is owned by the State Highway Agency.