US Bridges

I40 WB Collector over US1N I440E

Fair

Wake County, North Carolina · 0.5 Mi.E. of SR1313 · Structure no. 000000001830583

Built
1982
43 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
5 main spans
Daily traffic
66,000
2019 count
Owner
State
State Highway Agency

About this bridge

I40 WB Collector over US1N I440E is a steel stringer/multi-beam or girder carrying I40 WB Collector over US1N I440E in Wake County, North Carolina. It was built in 1982, so it is 43 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 5 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 66,000 vehicles a day, roughly 16% of them trucks, projected to reach 132,000 by 2040. The structure is 325 ft (99 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 WB Collector
CrossesUS1N I440E
Location0.5 Mi.E. of SR1313
RouteInterstate 40
Coordinates35.76659, -78.73514
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length325 ft (99 m)
Longest span89 ft (27.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,000 (2019)
Projected traffic132,000 by 2040
Trucks16%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 WB Collector over US1N I440E built?

It was built in 1982, making it 43 years old in 2025.

What condition is I40 WB Collector over US1N I440E 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 2023.

How much traffic does I40 WB Collector over US1N I440E carry?

About 66,000 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I40 WB Collector over US1N I440E?

The structure is 325 ft (99 m) long with a longest span of 89 ft (27.1 m) and a deck 38 ft wide.

Who owns I40 WB Collector over US1N I440E?

It is owned by the State Highway Agency.