US Bridges

I440 over US70

Fair

Wake County, North Carolina · 1.88 MI E JCT SR1676 · Structure no. 000000001830260

Built
1960
65 years old, rebuilt 1993
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
250 ft
4 main spans
Daily traffic
120,000
2020 count
Owner
State
State Highway Agency

About this bridge

I440 over US70 is a steel stringer/multi-beam or girder carrying I440 over US70 in Wake County, North Carolina. It was built in 1960 and reconstructed in 1993, so it is 65 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 120,000 vehicles a day, roughly 16% of them trucks, projected to reach 240,000 by 2040. The structure is 250 ft (76.2 m) long and 141 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI440
CrossesUS70
Location1.88 MI E JCT SR1676
RouteInterstate 440
CountyWake County
StateNorth Carolina
Coordinates35.83542, -78.66948
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length250 ft (76.2 m)
Longest span70 ft (21.3 m)
Deck width141 ft (43 m)
Roadway width136 ft (41.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120,000 (2020)
Projected traffic240,000 by 2040
Trucks16%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 I440 over US70 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1993.

What condition is I440 over US70 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 July 2024.

How much traffic does I440 over US70 carry?

About 120,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I440 over US70?

The structure is 250 ft (76.2 m) long with a longest span of 70 ft (21.3 m) and a deck 141 ft wide.

Who owns I440 over US70?

It is owned by the State Highway Agency.