US Bridges

NC540 9906 Flyover over Dirt

Good

Wake County, North Carolina · 0.44 Mi. N. NC540E Rmp · Structure no. 000000001831047

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
2 main spans
Daily traffic
13,833
2022 count
Owner
State
State Highway Agency

About this bridge

NC540 9906 Flyover over Dirt is a steel continuous stringer/multi-beam or girder carrying NC540 9906 Flyover 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 13,833 vehicles a day, roughly 12% of them trucks, projected to reach 41,500 by 2040. The structure is 333 ft (101.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC540 9906 Flyover
CrossesDirt
Location0.44 Mi. N. NC540E Rmp
RouteState Highway 540
Coordinates35.85322, -78.85784
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 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 rating43 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length333 ft (101.4 m)
Longest span187 ft (56.9 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,833 (2022)
Projected traffic41,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free 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 NC540 9906 Flyover over Dirt built?

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

What condition is NC540 9906 Flyover 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 NC540 9906 Flyover over Dirt carry?

About 13,833 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC540 9906 Flyover over Dirt?

The structure is 333 ft (101.4 m) long with a longest span of 187 ft (56.9 m) and a deck 42 ft wide.

Who owns NC540 9906 Flyover over Dirt?

It is owned by the State Highway Agency.