US Bridges

US13 US64W over Huskanaw Swamp

Good

Martin County, North Carolina · 1.3MI.W. of JCT.US64 Alt · Structure no. 000000001170255

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
273 ft
6 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

US13 US64W over Huskanaw Swamp is a prestressed concrete slab carrying US13 US64W over Huskanaw Swamp in Martin County, North Carolina. It was built in 1999, so it is 26 years old, younger than the North Carolina average of 38.7 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 4,000 vehicles a day, roughly 14% of them trucks, projected to reach 8,000 by 2040. The structure is 273 ft (83.2 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS13 US64W
CrossesHuskanaw Swamp
Location1.3MI.W. of JCT.US64 Alt
RouteU.S. Route 13
Coordinates35.84006, -77.19672
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20 + Mod
Structure length273 ft (83.2 m)
Longest span47 ft (14.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic8,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US13 US64W over Huskanaw Swamp built?

It was built in 1999, making it 26 years old in 2025.

What condition is US13 US64W over Huskanaw Swamp 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 July 2024.

How much traffic does US13 US64W over Huskanaw Swamp carry?

About 4,000 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US13 US64W over Huskanaw Swamp?

The structure is 273 ft (83.2 m) long with a longest span of 47 ft (14.3 m) and a deck 42 ft wide.

Who owns US13 US64W over Huskanaw Swamp?

It is owned by the State Highway Agency.