US Bridges

NC12 over New Inlet

Good

Dare County, North Carolina · 13 Mi. S. Jct. SR1243 · Structure no. 000000000550069

Built
2018
7 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
2,350 ft
47 main spans
Daily traffic
5,900
2021 count
Owner
State
State Highway Agency

About this bridge

NC12 over New Inlet is a prestressed concrete slab carrying NC12 over New Inlet in Dare County, North Carolina. It was built in 2018, so it is 7 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 5,900 vehicles a day, roughly 7% of them trucks, projected to reach 11,800 by 2040. The structure is 2,350 ft (716.2 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNC12
CrossesNew Inlet
Location13 Mi. S. Jct. SR1243
RouteState Highway 12
CountyDare County
StateNorth Carolina
Coordinates35.68547, -75.48407
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 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 rating65.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans47 (+2 approach)
Design loadHL 93
Structure length2,350 ft (716.2 m)
Longest span48 ft (14.6 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2021)
Projected traffic11,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC12 over New Inlet built?

It was built in 2018, making it 7 years old in 2025.

What condition is NC12 over New Inlet 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 2023.

How much traffic does NC12 over New Inlet carry?

About 5,900 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC12 over New Inlet?

The structure is 2,350 ft (716.2 m) long with a longest span of 48 ft (14.6 m) and a deck 36 ft wide.

Who owns NC12 over New Inlet?

It is owned by the State Highway Agency.