US Bridges

I540W over NC50

Good

Wake County, North Carolina · 1.74 Mi. W. JCT SR1005 · Structure no. 000000001831037

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
3 main spans
Daily traffic
41,500
2020 count
Owner
State
State Highway Agency

About this bridge

I540W over NC50 is a steel stringer/multi-beam or girder carrying I540W over NC50 in Wake 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 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 41,500 vehicles a day, roughly 16% of them trucks, projected to reach 83,000 by 2040. The structure is 190 ft (57.9 m) long and 61 ft wide.

CarriesI540W
CrossesNC50
Location1.74 Mi. W. JCT SR1005
RouteInterstate 540
Coordinates35.91481, -78.68178
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length190 ft (57.9 m)
Longest span111 ft (33.8 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,500 (2020)
Projected traffic83,000 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I540W over NC50 built?

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

What condition is I540W over NC50 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 November 2023.

How much traffic does I540W over NC50 carry?

About 41,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I540W over NC50?

The structure is 190 ft (57.9 m) long with a longest span of 111 ft (33.8 m) and a deck 61 ft wide.

Who owns I540W over NC50?

It is owned by the State Highway Agency.