US Bridges

US 17 over U.S. 501

Fair

Horry County, South Carolina · 2.0MI NW of Myrtle Beach · Structure no. 000000000006510

Built
1974
51 years old, rebuilt 2004
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
370 ft
5 main spans
Daily traffic
46,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 over U.S. 501 is a steel stringer/multi-beam or girder carrying US 17 over U.S. 501 in Horry County, South Carolina. It was built in 1974 and reconstructed in 2004, so it is 51 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 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 46,800 vehicles a day, roughly 2% of them trucks, projected to reach 58,500 by 2043. The structure is 370 ft (112.8 m) long and 119 ft wide.

CarriesUS 17
CrossesU.S. 501
Location2.0MI NW of Myrtle Beach
RouteU.S. Route 17
Coordinates33.70904, -78.91402
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length370 ft (112.8 m)
Longest span90 ft (27.4 m)
Deck width119 ft (36.4 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,800 (2023)
Projected traffic58,500 by 2043
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 17 over U.S. 501 built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2004.

What condition is US 17 over U.S. 501 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 November 2024.

How much traffic does US 17 over U.S. 501 carry?

About 46,800 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 17 over U.S. 501?

The structure is 370 ft (112.8 m) long with a longest span of 90 ft (27.4 m) and a deck 119 ft wide.

Who owns US 17 over U.S. 501?

It is owned by the State Highway Agency.