US Bridges

US 17 NB over Sc 544

Good

Horry County, South Carolina · 2.0 MI NW Surfside · Structure no. 000000000007380

Built
1980
45 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
18,350
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 NB over Sc 544 is a steel stringer/multi-beam or girder carrying US 17 NB over Sc 544 in Horry County, South Carolina. It was built in 1980, so it is 45 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,350 vehicles a day, roughly 4% of them trucks, projected to reach 22,938 by 2043. The structure is 162 ft (49.4 m) long and 43 ft wide.

CarriesUS 17 NB
CrossesSc 544
Location2.0 MI NW Surfside
RouteU.S. Route 17
Coordinates33.65024, -78.98114
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span98 ft (29.9 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,350 (2023)
Projected traffic22,938 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 NB over Sc 544 built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 17 NB over Sc 544 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does US 17 NB over Sc 544 carry?

About 18,350 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 17 NB over Sc 544?

The structure is 162 ft (49.4 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.

Who owns US 17 NB over Sc 544?

It is owned by the State Highway Agency.