US Bridges

NC12 over Old Hammock Creek

Good

Hyde County, North Carolina · 4.6 MI N JCT SR 1333 · Structure no. 000000000950031

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
3,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC12 over Old Hammock Creek is a prestressed concrete slab carrying NC12 over Old Hammock Creek in Hyde County, North Carolina. It was built in 2008, so it is 17 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,000 by 2040. The structure is 120 ft (36.5 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNC12
CrossesOld Hammock Creek
Location4.6 MI N JCT SR 1333
RouteState Highway 12
Coordinates35.13396, -75.90854
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 protection7 GoodSome minor problems.
Last inspectionApril 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 rating89 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length120 ft (36.5 m)
Longest span48 ft (14.6 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2021)
Projected traffic6,000 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 Old Hammock Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is NC12 over Old Hammock 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 April 2023.

How much traffic does NC12 over Old Hammock Creek carry?

About 3,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC12 over Old Hammock Creek?

The structure is 120 ft (36.5 m) long with a longest span of 48 ft (14.6 m) and a deck 36 ft wide.

Who owns NC12 over Old Hammock Creek?

It is owned by the State Highway Agency.