US Bridges

NC540N.RAMP over Dirt

Good

Wake County, North Carolina · .34 MI N of SR147 Ramp · Structure no. 000000001831046

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
3 main spans
Daily traffic
9,125
2019 count
Owner
State
State Highway Agency

About this bridge

NC540N.RAMP over Dirt is a steel continuous stringer/multi-beam or girder carrying NC540N.RAMP over Dirt in Wake County, North Carolina. It was built in 2007, so it is 18 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 9,125 vehicles a day, roughly 12% of them trucks, projected to reach 18,250 by 2040. The structure is 334 ft (101.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC540N.RAMP
CrossesDirt
Location.34 MI N of SR147 Ramp
RouteState Highway 540
Coordinates35.85383, -78.85847
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length334 ft (101.8 m)
Longest span139 ft (42.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,125 (2019)
Projected traffic18,250 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

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 NC540N.RAMP over Dirt built?

It was built in 2007, making it 18 years old in 2025.

What condition is NC540N.RAMP over Dirt 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 November 2023.

How much traffic does NC540N.RAMP over Dirt carry?

About 9,125 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is NC540N.RAMP over Dirt?

The structure is 334 ft (101.8 m) long with a longest span of 139 ft (42.3 m) and a deck 42 ft wide.

Who owns NC540N.RAMP over Dirt?

It is owned by the State Highway Agency.