US Bridges

US 17 Bus SB over US 17

Fair

Horry County, South Carolina · At Murrells Inlet · Structure no. 000000000007382

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
2 main spans
Daily traffic
13,550
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 Bus SB over US 17 is a steel continuous stringer/multi-beam or girder carrying US 17 Bus SB over US 17 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 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 13,550 vehicles a day, roughly 3% of them trucks, projected to reach 16,938 by 2043. The structure is 334 ft (101.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 17 Bus SB
CrossesUS 17
LocationAt Murrells Inlet
RouteU.S. Route 17
Coordinates33.57411, -79.02947
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span117 ft (35.7 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,550 (2023)
Projected traffic16,938 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 17 Bus SB over US 17 built?

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

What condition is US 17 Bus SB over US 17 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 August 2024.

How much traffic does US 17 Bus SB over US 17 carry?

About 13,550 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 17 Bus SB over US 17?

The structure is 334 ft (101.8 m) long with a longest span of 117 ft (35.7 m) and a deck 43 ft wide.

Who owns US 17 Bus SB over US 17?

It is owned by the State Highway Agency.