US Bridges

I540W.COLL over US1

Good

Wake County, North Carolina · @ Jct. US1 & I540 · Structure no. 000000001831003

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
6,000
2022 count
Owner
State
State Highway Agency

About this bridge

I540W.COLL over US1 is a steel continuous stringer/multi-beam or girder carrying I540W.COLL 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 6,000 vehicles a day, roughly 16% of them trucks, projected to reach 12,000 by 2040. The structure is 254 ft (77.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI540W.COLL
CrossesUS1
Location@ Jct. US1 & I540
RouteInterstate 540
Coordinates35.87562, -78.57631
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 inspectionJune 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 rating73 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length254 ft (77.4 m)
Longest span131 ft (39.9 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2022)
Projected traffic12,000 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.COLL over US1 built?

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

What condition is I540W.COLL 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 June 2024.

How much traffic does I540W.COLL over US1 carry?

About 6,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I540W.COLL over US1?

The structure is 254 ft (77.4 m) long with a longest span of 131 ft (39.9 m) and a deck 41 ft wide.

Who owns I540W.COLL over US1?

It is owned by the State Highway Agency.