US Bridges

US17 Nbl over NC23 NC53W.BYP

Fair

Onslow County, North Carolina · 0.3MI.S. NC24 · Structure no. 000000001330260

Built
2001
24 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
257 ft
3 main spans
Daily traffic
15,750
2022 count
Owner
State
State Highway Agency

About this bridge

US17 Nbl over NC23 NC53W.BYP is a steel stringer/multi-beam or girder carrying US17 Nbl over NC23 NC53W.BYP in Onslow County, North Carolina. It was built in 2001, so it is 24 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 15,750 vehicles a day, roughly 12% of them trucks, projected to reach 31,500 by 2040. The structure is 257 ft (78.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS17 Nbl
CrossesNC23 NC53W.BYP
Location0.3MI.S. NC24
RouteU.S. Route 17
CountyOnslow County
StateNorth Carolina
Coordinates34.7459, -77.40462
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length257 ft (78.3 m)
Longest span137 ft (41.7 m)
Deck width41 ft (12.5 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2022)
Projected traffic31,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US17 Nbl over NC23 NC53W.BYP built?

It was built in 2001, making it 24 years old in 2025.

What condition is US17 Nbl over NC23 NC53W.BYP 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 April 2024.

How much traffic does US17 Nbl over NC23 NC53W.BYP carry?

About 15,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US17 Nbl over NC23 NC53W.BYP?

The structure is 257 ft (78.3 m) long with a longest span of 137 ft (41.7 m) and a deck 41 ft wide.

Who owns US17 Nbl over NC23 NC53W.BYP?

It is owned by the State Highway Agency.