US Bridges

NC48 over Roanoke River Overflow

Fair

Northampton County, North Carolina · 1.0MI.S.JCT.NC 46 · Structure no. 000000001310026

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
12,000
2019 count
Owner
State
State Highway Agency

About this bridge

NC48 over Roanoke River Overflow is a steel culvert carrying NC48 over Roanoke River Overflow in Northampton County, North Carolina. It was built in 1988, so it is 37 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 12,000 vehicles a day, roughly 6% of them trucks, projected to reach 24,000 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNC48
CrossesRoanoke River Overflow
Location1.0MI.S.JCT.NC 46
RouteState Highway 48
Coordinates36.48775, -77.64381
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2019)
Projected traffic24,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 NC48 over Roanoke River Overflow built?

It was built in 1988, making it 37 years old in 2025.

What condition is NC48 over Roanoke River Overflow 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 January 2025.

How much traffic does NC48 over Roanoke River Overflow carry?

About 12,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is NC48 over Roanoke River Overflow?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m).

Who owns NC48 over Roanoke River Overflow?

It is owned by the State Highway Agency.