US Bridges

US 1 NB over Great Pee Dee River

Poor

Marlboro County, South Carolina · At Cheraw · Structure no. 000000000003928

Built
1962
63 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,901 ft
4 main spans
Daily traffic
7,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 NB over Great Pee Dee River is a steel stringer/multi-beam or girder carrying US 1 NB over Great Pee Dee River in Marlboro County, South Carolina. It was built in 1962, so it is 63 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,400 vehicles a day, roughly 14% of them trucks, projected to reach 11,544 by 2043. The structure is 1,901 ft (579.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 NB
CrossesGreat Pee Dee River
LocationAt Cheraw
RouteU.S. Route 1
Coordinates34.70839, -79.8754
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+30 approach)
Design loadHS 20
Structure length1,901 ft (579.5 m)
Longest span110 ft (33.6 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 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 and pedestrian
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$5.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1962, making it 63 years old in 2025.

What condition is US 1 NB over Great Pee Dee River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

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

The structure is 1,901 ft (579.5 m) long with a longest span of 110 ft (33.6 m) and a deck 36 ft wide.

Who owns US 1 NB over Great Pee Dee River?

It is owned by the State Highway Agency.