US Bridges

I40 US64E over US70 US401 NC50

Fair

Wake County, North Carolina · 0.4MI. W. JCT.SR1564 S.St · Structure no. 000000001830571

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
3 main spans
Daily traffic
109,000
2020 count
Owner
State
State Highway Agency

About this bridge

I40 US64E over US70 US401 NC50 is a steel stringer/multi-beam or girder carrying I40 US64E over US70 US401 NC50 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 109,000 vehicles a day, roughly 16% of them trucks, projected to reach 218,000 by 2040. The structure is 202 ft (61.5 m) long and 171 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40 US64E
CrossesUS70 US401 NC50
Location0.4MI. W. JCT.SR1564 S.St
RouteInterstate 40
CountyWake County
StateNorth Carolina
Coordinates35.75274, -78.64914
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.5 m)
Longest span119 ft (36.2 m)
Deck width171 ft (52 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,000 (2020)
Projected traffic218,000 by 2040
Trucks16%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 US64E over US70 US401 NC50 built?

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

What condition is I40 US64E over US70 US401 NC50 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does I40 US64E over US70 US401 NC50 carry?

About 109,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 US64E over US70 US401 NC50?

The structure is 202 ft (61.5 m) long with a longest span of 119 ft (36.2 m) and a deck 171 ft wide.

Who owns I40 US64E over US70 US401 NC50?

It is owned by the State Highway Agency.