US Bridges

I540W over US1

Good

Wake County, North Carolina · Jct. I540&US1 · Structure no. 000000001830999

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
29,000
2020 count
Owner
State
State Highway Agency

About this bridge

I540W over US1 is a steel continuous stringer/multi-beam or girder carrying I540W over US1 in Wake County, North Carolina. It was built in 2002, so it is 23 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 254 ft (77.4 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI540W
CrossesUS1
LocationJct. I540&US1
RouteInterstate 540
Coordinates35.87542, -78.57647
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 alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length254 ft (77.4 m)
Longest span130 ft (39.6 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2020)
Projected traffic58,000 by 2040
Trucks16%
Lanes on structure2
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 US1 built?

It was built in 2002, making it 23 years old in 2025.

What condition is I540W over US1 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 I540W over US1 carry?

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

How long is I540W over US1?

The structure is 254 ft (77.4 m) long with a longest span of 130 ft (39.6 m) and a deck 48 ft wide.

Who owns I540W over US1?

It is owned by the State Highway Agency.