US Bridges

US 701 over Black River

Fair

Georgetown County, South Carolina · 7 MI NW Georgetown · Structure no. 000000000007890

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,230 ft
3 main spans
Daily traffic
10,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 701 over Black River is a steel continuous stringer/multi-beam or girder carrying US 701 over Black River in Georgetown County, South Carolina. It was built in 1985, so it is 40 years old, younger 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 10,400 vehicles a day, roughly 15% of them trucks, projected to reach 10,504 by 2043. The structure is 1,230 ft (374.9 m) long and 47 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesUS 701
CrossesBlack River
Location7 MI NW Georgetown
RouteU.S. Route 701
Coordinates33.47957, -79.27341
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+30 approach)
Design loadHS 20
Structure length1,230 ft (374.9 m)
Longest span120 ft (36.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2023)
Projected traffic10,504 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 701 over Black River built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 701 over Black 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 April 2024.

How much traffic does US 701 over Black River carry?

About 10,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 701 over Black River?

The structure is 1,230 ft (374.9 m) long with a longest span of 120 ft (36.6 m) and a deck 47 ft wide.

Who owns US 701 over Black River?

It is owned by the State Highway Agency.