US Bridges

I-540W over I-540

Good

Wake County, North Carolina · 0.54 Mi. W. Jct. US64BYP · Structure no. 000000001831099

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
2 main spans
Daily traffic
15,000
2021 count
Owner
State
State Highway Agency

About this bridge

I-540W over I-540 is a steel continuous stringer/multi-beam or girder carrying I-540W over I-540 in Wake 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 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 15,000 vehicles a day, roughly 16% of them trucks, projected to reach 30,000 by 2040. The structure is 322 ft (98.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-540W
CrossesI-540
Location0.54 Mi. W. Jct. US64BYP
RouteInterstate 540
Coordinates35.76902, -78.50636
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length322 ft (98.1 m)
Longest span172 ft (52.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2021)
Projected traffic30,000 by 2040
Trucks16%
Lanes on structure1
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 NetworkInterstate 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 I-540W over I-540 built?

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

What condition is I-540W over I-540 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 May 2024.

How much traffic does I-540W over I-540 carry?

About 15,000 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I-540W over I-540?

The structure is 322 ft (98.1 m) long with a longest span of 172 ft (52.4 m) and a deck 42 ft wide.

Who owns I-540W over I-540?

It is owned by the State Highway Agency.