US Bridges

NC540 Wbl over Durham & Southern RR

Good

Wake County, North Carolina · 0.2 Mi.E. JCT.NC55 · Structure no. 000000001831019

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
31,500
2020 count
Owner
State
State Highway Agency

About this bridge

NC540 Wbl over Durham & Southern RR is a prestressed concrete continuous stringer/multi-beam or girder carrying NC540 Wbl over Durham & Southern RR 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 31,500 vehicles a day, roughly 12% of them trucks, projected to reach 63,000 by 2040. The structure is 205 ft (62.4 m) long and 84 ft wide.

Location

Open in Google Maps
CarriesNC540 Wbl
CrossesDurham & Southern RR
Location0.2 Mi.E. JCT.NC55
RouteState Highway 540
CountyWake County
StateNorth Carolina
Coordinates35.84398, -78.88127
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length205 ft (62.4 m)
Longest span70 ft (21.3 m)
Deck width84 ft (25.5 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic31,500 (2020)
Projected traffic63,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 Wbl over Durham & Southern RR built?

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

What condition is NC540 Wbl over Durham & Southern RR 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 April 2023.

How much traffic does NC540 Wbl over Durham & Southern RR carry?

About 31,500 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is NC540 Wbl over Durham & Southern RR?

The structure is 205 ft (62.4 m) long with a longest span of 70 ft (21.3 m) and a deck 84 ft wide.

Who owns NC540 Wbl over Durham & Southern RR?

It is owned by the State Highway Agency.