US Bridges

NC540N over US1

Good

Wake County, North Carolina · .8MI.N of Old Holly RD · Structure no. 000000001831281

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
173 ft
2 main spans
Daily traffic
11,750
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

NC540N over US1 is a prestressed concrete continuous stringer/multi-beam or girder carrying NC540N 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 11,750 vehicles a day, roughly 12% of them trucks, projected to reach 23,500 by 2040. The structure is 173 ft (52.7 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNC540N
CrossesUS1
Location.8MI.N of Old Holly RD
RouteState Highway 540
CountyWake County
StateNorth Carolina
Coordinates35.69718, -78.87144
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span101 ft (30.7 m)
Deck width70 ft (21.2 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,750 (2020)
Projected traffic23,500 by 2040
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 NC540N over US1 built?

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

What condition is NC540N 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 NC540N over US1 carry?

About 11,750 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is NC540N over US1?

The structure is 173 ft (52.7 m) long with a longest span of 101 ft (30.7 m) and a deck 70 ft wide.

Who owns NC540N over US1?

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