US Bridges

US 1 SB over Great Pee Dee River

Fair

Marlboro County, South Carolina · At Cheraw · Structure no. 000000000000889

Built
1938
87 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,899 ft
4 main spans
Daily traffic
7,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 SB over Great Pee Dee River is a steel continuous stringer/multi-beam or girder carrying US 1 SB over Great Pee Dee River in Marlboro County, South Carolina. It was built in 1938, so it is 87 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 7,400 vehicles a day, roughly 14% of them trucks, projected to reach 11,544 by 2043. The structure is 1,899 ft (578.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 SB
CrossesGreat Pee Dee River
LocationAt Cheraw
RouteU.S. Route 1
Coordinates34.7085, -79.87547
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+30 approach)
Design loadH 15
Structure length1,899 ft (578.8 m)
Longest span110 ft (33.5 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2023)
Projected traffic11,544 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 SB over Great Pee Dee River built?

It was built in 1938, making it 87 years old in 2025.

What condition is US 1 SB over Great Pee Dee 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 March 2025.

How much traffic does US 1 SB over Great Pee Dee River carry?

About 7,400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 1 SB over Great Pee Dee River?

The structure is 1,899 ft (578.8 m) long with a longest span of 110 ft (33.5 m) and a deck 28 ft wide.

Who owns US 1 SB over Great Pee Dee River?

It is owned by the State Highway Agency.