US Bridges

NC540 on Ramp NB over US1

Good

Wake County, North Carolina · Inter of US1 and NC540 · Structure no. 000000001831283

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
2 main spans
Daily traffic
4,100
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

NC540 on Ramp NB over US1 is a prestressed concrete stringer/multi-beam or girder carrying NC540 on Ramp NB over US1 in Wake County, North Carolina. It was built in 2012, so it is 13 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 4,100 vehicles a day, roughly 12% of them trucks, projected to reach 8,200 by 2040. The structure is 172 ft (52.4 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNC540 on Ramp NB
CrossesUS1
LocationInter of US1 and NC540
RouteState Highway 540
CountyWake County
StateNorth Carolina
Coordinates35.69794, -78.86991
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2023
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 rating67.9 US tons
Inventory rating51.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length172 ft (52.4 m)
Longest span94 ft (28.6 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2021)
Projected traffic8,200 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
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 NC540 on Ramp NB over US1 built?

It was built in 2012, making it 13 years old in 2025.

What condition is NC540 on Ramp NB 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 July 2023.

How much traffic does NC540 on Ramp NB over US1 carry?

About 4,100 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is NC540 on Ramp NB over US1?

The structure is 172 ft (52.4 m) long with a longest span of 94 ft (28.6 m) and a deck 45 ft wide.

Who owns NC540 on Ramp NB over US1?

It is owned by the State Toll Authority and maintained by the State Highway Agency.