US Bridges

I40/RAMP D US64 over Southern Railway

Good

Wake County, North Carolina · 0.1MI. E. Jct. SR2026 · Structure no. 000000001830574

Built
1981
44 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
13,500
2020 count
Owner
State
State Highway Agency

About this bridge

I40/RAMP D US64 over Southern Railway is a steel stringer/multi-beam or girder carrying I40/RAMP D US64 over Southern Railway in Wake County, North Carolina. It was built in 1981, so it is 44 years old, older 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 13,500 vehicles a day, roughly 16% of them trucks, projected to reach 27,000 by 2040. The structure is 150 ft (45.7 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI40/RAMP D US64
CrossesSouthern Railway
Location0.1MI. E. Jct. SR2026
RouteInterstate 40
CountyWake County
StateNorth Carolina
Coordinates35.75259, -78.63406
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span52 ft (15.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2020)
Projected traffic27,000 by 2040
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40/RAMP D US64 over Southern Railway built?

It was built in 1981, making it 44 years old in 2025.

What condition is I40/RAMP D US64 over Southern Railway 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 I40/RAMP D US64 over Southern Railway carry?

About 13,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40/RAMP D US64 over Southern Railway?

The structure is 150 ft (45.7 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.

Who owns I40/RAMP D US64 over Southern Railway?

It is owned by the State Highway Agency.