US Bridges

I40W US64 over SR1571

Fair

Wake County, North Carolina · 0.8 Mi. W. Jct. SR1375 · Structure no. 000000001830281

Built
1981
44 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
3 main spans
Daily traffic
11,200
2020 count
Owner
State
State Highway Agency

About this bridge

I40W US64 over SR1571 is a steel stringer/multi-beam or girder carrying I40W US64 over SR1571 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 11,200 vehicles a day, roughly 16% of them trucks, projected to reach 22,400 by 2040. The structure is 232 ft (70.7 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40W US64
CrossesSR1571
Location0.8 Mi. W. Jct. SR1375
RouteInterstate 40
Coordinates35.75179, -78.70108
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
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 rating81.9 US tons
Inventory rating62.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length232 ft (70.7 m)
Longest span153 ft (46.6 m)
Deck width80 ft (24.5 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2020)
Projected traffic22,400 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 I40W US64 over SR1571 built?

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

What condition is I40W US64 over SR1571 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 February 2025.

How much traffic does I40W US64 over SR1571 carry?

About 11,200 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40W US64 over SR1571?

The structure is 232 ft (70.7 m) long with a longest span of 153 ft (46.6 m) and a deck 80 ft wide.

Who owns I40W US64 over SR1571?

It is owned by the State Highway Agency.