US Bridges

NC50 over Shelter Swamp Creek

Good

Onslow County, North Carolina · 0.2 MI.S.JCT.SR1103 · Structure no. 000000001330026

Built
2015
10 years old
Condition
Good
inspected December 2021
Type
Slab
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
3,100
2019 count
Owner
State
State Highway Agency

About this bridge

NC50 over Shelter Swamp Creek is a prestressed concrete slab carrying NC50 over Shelter Swamp Creek in Onslow County, North Carolina. It was built in 2015, so it is 10 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 3,100 vehicles a day, roughly 7% of them trucks, projected to reach 6,200 by 2040. The structure is 158 ft (48.1 m) long and 33 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesNC50
CrossesShelter Swamp Creek
Location0.2 MI.S.JCT.SR1103
RouteState Highway 50
CountyOnslow County
StateNorth Carolina
Coordinates34.61492, -77.58753
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length158 ft (48.1 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2019)
Projected traffic6,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC50 over Shelter Swamp Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is NC50 over Shelter Swamp Creek 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 December 2021.

How much traffic does NC50 over Shelter Swamp Creek carry?

About 3,100 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is NC50 over Shelter Swamp Creek?

The structure is 158 ft (48.1 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns NC50 over Shelter Swamp Creek?

It is owned by the State Highway Agency.