US Bridges

NC53 over Southwest Creek

Good

Onslow County, North Carolina · 4.0 MI W. of Jct. NC24 · Structure no. 000000001330018

Built
1991
34 years old
Condition
Good
inspected January 2022
Type
Slab
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
5,400
2018 count
Owner
State
State Highway Agency

About this bridge

NC53 over Southwest Creek is a prestressed concrete slab carrying NC53 over Southwest Creek in Onslow County, North Carolina. It was built in 1991, so it is 34 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 5,400 vehicles a day, roughly 6% of them trucks, projected to reach 10,800 by 2040. The structure is 140 ft (42.6 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC53
CrossesSouthwest Creek
Location4.0 MI W. of Jct. NC24
RouteState Highway 53
Coordinates34.73239, -77.53326
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
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 alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.6 m)
Longest span45 ft (13.7 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2018)
Projected traffic10,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 NC53 over Southwest Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is NC53 over Southwest 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 January 2022.

How much traffic does NC53 over Southwest Creek carry?

About 5,400 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is NC53 over Southwest Creek?

The structure is 140 ft (42.6 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns NC53 over Southwest Creek?

It is owned by the State Highway Agency.