US Bridges

US 17 over U.S. 17 Bus.

Fair

Horry County, South Carolina · 7.0MI NE of Myrtle Beach · Structure no. 000000000006509

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
2 main spans
Daily traffic
34,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 over U.S. 17 Bus. is a steel continuous stringer/multi-beam or girder carrying US 17 over U.S. 17 Bus. in Horry County, South Carolina. It was built in 1974, 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 5 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 34,000 vehicles a day, roughly 3% of them trucks, projected to reach 42,500 by 2043. The structure is 303 ft (92.4 m) long and 67 ft wide.

CarriesUS 17
CrossesU.S. 17 Bus.
Location7.0MI NE of Myrtle Beach
RouteU.S. Route 17
Coordinates33.76744, -78.80514
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length303 ft (92.4 m)
Longest span103 ft (31.4 m)
Deck width67 ft (20.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2023)
Projected traffic42,500 by 2043
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is US 17 over U.S. 17 Bus. 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. 17 Bus. carry?

About 34,000 vehicles per day (2023 count), of which roughly 3% are trucks.

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

The structure is 303 ft (92.4 m) long with a longest span of 103 ft (31.4 m) and a deck 67 ft wide.

Who owns US 17 over U.S. 17 Bus.?

It is owned by the State Highway Agency.