US Bridges

US13 US64E over Ross Swamp

Fair

Martin County, North Carolina · 0.8 Mi. W. Jct. SR115 · Structure no. 000000001170265

Built
1999
26 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
8,200
2022 count
Owner
State
State Highway Agency

About this bridge

US13 US64E over Ross Swamp is a concrete continuous culvert carrying US13 US64E over Ross 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 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 8,200 vehicles a day, roughly 14% of them trucks, projected to reach 16,400 by 2040. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS13 US64E
CrossesRoss Swamp
Location0.8 Mi. W. Jct. SR115
RouteU.S. Route 13
CountyMartin County
StateNorth Carolina
Coordinates35.843, -77.22049
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating54.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length41 ft (12.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2022)
Projected traffic16,400 by 2040
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US64E over Ross Swamp built?

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

What condition is US13 US64E over Ross Swamp 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 June 2024.

How much traffic does US13 US64E over Ross Swamp carry?

About 8,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US13 US64E over Ross Swamp?

The structure is 41 ft (12.4 m) long with a longest span of 12 ft (3.6 m).

Who owns US13 US64E over Ross Swamp?

It is owned by the State Highway Agency.