US Bridges

NC615 over Creek Off Back Bay

Fair

Currituck County, North Carolina · 2.3 MI N. of JCT.SR1255 · Structure no. 000000000530007

Built
2007
18 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
180 ft
4 main spans
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

NC615 over Creek Off Back Bay is a prestressed concrete slab carrying NC615 over Creek Off Back Bay in Currituck County, North Carolina. It was built in 2007, so it is 18 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 4,400 by 2040. The structure is 180 ft (54.8 m) long and 54 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNC615
CrossesCreek Off Back Bay
Location2.3 MI N. of JCT.SR1255
RouteState Highway 615
CountyCurrituck County
StateNorth Carolina
Coordinates36.5402, -75.97237
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.9 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 25 or greater
Structure length180 ft (54.8 m)
Longest span47 ft (14.3 m)
Deck width54 ft (16.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic4,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 NC615 over Creek Off Back Bay built?

It was built in 2007, making it 18 years old in 2025.

What condition is NC615 over Creek Off Back Bay 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 October 2024.

How much traffic does NC615 over Creek Off Back Bay carry?

About 2,200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NC615 over Creek Off Back Bay?

The structure is 180 ft (54.8 m) long with a longest span of 47 ft (14.3 m) and a deck 54 ft wide.

Who owns NC615 over Creek Off Back Bay?

It is owned by the State Highway Agency.