US Bridges

US17 Byp N Coll over I40 Ramp W

Good

New Hanover County, North Carolina · Jct. US17BYP. NB & I-40 · Structure no. 000000001290100

Built
2004
21 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
1 main span
Daily traffic
12,500
2018 count
Owner
State
State Highway Agency

About this bridge

US17 Byp N Coll over I40 Ramp W is a steel stringer/multi-beam or girder carrying US17 Byp N Coll over I40 Ramp W in New Hanover County, North Carolina. It was built in 2004, so it is 21 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 12,500 vehicles a day, roughly 12% of them trucks, projected to reach 25,000 by 2040. The structure is 125 ft (38.1 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS17 Byp N Coll
CrossesI40 Ramp W
LocationJct. US17BYP. NB & I-40
RouteU.S. Route 17
Coordinates34.31872, -77.86941
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span121 ft (36.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2018)
Projected traffic25,000 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US17 Byp N Coll over I40 Ramp W built?

It was built in 2004, making it 21 years old in 2025.

What condition is US17 Byp N Coll over I40 Ramp W 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 February 2023.

How much traffic does US17 Byp N Coll over I40 Ramp W carry?

About 12,500 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US17 Byp N Coll over I40 Ramp W?

The structure is 125 ft (38.1 m) long with a longest span of 121 ft (36.8 m) and a deck 47 ft wide.

Who owns US17 Byp N Coll over I40 Ramp W?

It is owned by the State Highway Agency.