US Bridges

I-540RAMP over US1 Capital Blvd.

Good

Wake County, North Carolina · @ Jct. US1 & I540 · Structure no. 000000001831004

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
2 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-540RAMP over US1 Capital Blvd. is a steel continuous stringer/multi-beam or girder carrying I-540RAMP over US1 Capital Blvd. 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 8,100 vehicles a day, roughly 16% of them trucks, projected to reach 16,200 by 2040. The structure is 265 ft (80.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-540RAMP
CrossesUS1 Capital Blvd.
Location@ Jct. US1 & I540
RouteInterstate 540
Coordinates35.87439, -78.57756
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 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 rating99 US tons
Inventory rating72 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length265 ft (80.7 m)
Longest span132 ft (40.2 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic16,200 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 I-540RAMP over US1 Capital Blvd. built?

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

What condition is I-540RAMP over US1 Capital 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 June 2024.

How much traffic does I-540RAMP over US1 Capital Blvd. carry?

About 8,100 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-540RAMP over US1 Capital Blvd.?

The structure is 265 ft (80.7 m) long with a longest span of 132 ft (40.2 m) and a deck 44 ft wide.

Who owns I-540RAMP over US1 Capital Blvd.?

It is owned by the State Highway Agency.