US Bridges

US 701 over Bear Swamp

Poor

Horry County, South Carolina · Conway City Limits · Structure no. 000000000000548

Built
1931
94 years old, rebuilt 1958
Condition
Poor
inspected October 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
17,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 701 over Bear Swamp is a concrete continuous culvert carrying US 701 over Bear Swamp in Horry County, South Carolina. It was built in 1931 and reconstructed in 1958, so it is 94 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 17,400 vehicles a day, roughly 7% of them trucks, projected to reach 21,228 by 2043. The structure is 32 ft (9.7 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 701
CrossesBear Swamp
LocationConway City Limits
RouteU.S. Route 701
Coordinates33.8073, -79.07775
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width52 ft (15.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,400 (2023)
Projected traffic21,228 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$86,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 701 over Bear Swamp built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1958.

What condition is US 701 over Bear Swamp 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 October 2023.

How much traffic does US 701 over Bear Swamp carry?

About 17,400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 701 over Bear Swamp?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns US 701 over Bear Swamp?

It is owned by the State Highway Agency.