US Bridges

I540W over Triangle Town Blvd

Good

Wake County, North Carolina · 0.5 Mi. E. Jct. US1 · Structure no. 000000001831001

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

I540W over Triangle Town Blvd is a steel stringer/multi-beam or girder carrying I540W 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 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI540W
CrossesTriangle Town Blvd
Location0.5 Mi. E. Jct. US1
RouteInterstate 540
CountyWake County
StateNorth Carolina
Coordinates35.87369, -78.56828
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 rating73 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length290 ft (88.3 m)
Longest span286 ft (87.1 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic29,000 (2020)
Projected traffic58,000 by 2040
Trucks16%
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 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 Triangle Town Blvd built?

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

What condition is I540W 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 I540W over Triangle Town Blvd carry?

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

How long is I540W 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 62 ft wide.

Who owns I540W over Triangle Town Blvd?

It is owned by the State Highway Agency.