US Bridges

I540E over Triangle Town Blvd.

Good

Wake County, North Carolina · 0.5 Mi. E. JCT US-1 · Structure no. 000000001831002

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
1 main span
Daily traffic
29,000
2020 count
Owner
State
State Highway Agency

About this bridge

I540E over Triangle Town Blvd. is a steel stringer/multi-beam or girder carrying I540E over Triangle Town Blvd. 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 29,000 vehicles a day, roughly 16% of them trucks, projected to reach 58,000 by 2040. The structure is 290 ft (88.3 m) long and 74 ft wide.

CarriesI540E
CrossesTriangle Town Blvd.
Location0.5 Mi. E. JCT US-1
RouteInterstate 540
Coordinates35.87344, -78.56825
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length290 ft (88.3 m)
Longest span286 ft (87.1 m)
Deck width74 ft (22.5 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic29,000 (2020)
Projected traffic58,000 by 2040
Trucks16%
Lanes on structure4
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 I540E over Triangle Town Blvd. built?

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

What condition is I540E over Triangle Town Blvd. 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 October 2023.

How much traffic does I540E over Triangle Town Blvd. carry?

About 29,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I540E over Triangle Town Blvd.?

The structure is 290 ft (88.3 m) long with a longest span of 286 ft (87.1 m) and a deck 74 ft wide.

Who owns I540E over Triangle Town Blvd.?

It is owned by the State Highway Agency.