US Bridges

US 501 Byp over U.S.701

Poor

Horry County, South Carolina · In Conway · Structure no. 000000000002752

Built
1958
67 years old, rebuilt 1976
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
560 ft
3 main spans
Daily traffic
56,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 501 Byp over U.S.701 is a steel continuous stringer/multi-beam or girder carrying US 501 Byp over U.S.701 in Horry County, South Carolina. It was built in 1958 and reconstructed in 1976, so it is 67 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 56,800 vehicles a day, roughly 6% of them trucks, projected to reach 71,000 by 2043. The structure is 560 ft (170.7 m) long and 69 ft wide.

CarriesUS 501 Byp
CrossesU.S.701
LocationIn Conway
RouteU.S. Route 501
Coordinates33.83096, -79.0582
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
Deck4 PoorAdvanced section loss, deterioration, 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.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadH 20
Structure length560 ft (170.7 m)
Longest span80 ft (24.4 m)
Deck width69 ft (21 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,800 (2023)
Projected traffic71,000 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 501 Byp over U.S.701 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1976.

What condition is US 501 Byp over U.S.701 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 July 2024.

How much traffic does US 501 Byp over U.S.701 carry?

About 56,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 501 Byp over U.S.701?

The structure is 560 ft (170.7 m) long with a longest span of 80 ft (24.4 m) and a deck 69 ft wide.

Who owns US 501 Byp over U.S.701?

It is owned by the State Highway Agency.