US Bridges

I 440 Ramp SB over I440

Good

Wake County, North Carolina · JCT I440 & US64 Byp. · Structure no. 000000001830950

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,330 ft
9 main spans
Daily traffic
93,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 440 Ramp SB over I440 is a steel continuous stringer/multi-beam or girder carrying I 440 Ramp SB over I440 in Wake County, North Carolina. It was built in 2005, so it is 20 years old, younger 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 93,000 vehicles a day, roughly 16% of them trucks, projected to reach 186,000 by 2040. The structure is 1,330 ft (405.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 440 Ramp SB
CrossesI440
LocationJCT I440 & US64 Byp.
RouteInterstate 440
Coordinates35.78189, -78.57353
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 rating63.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length1,330 ft (405.3 m)
Longest span175 ft (53.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic93,000 (2020)
Projected traffic186,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 I 440 Ramp SB over I440 built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 440 Ramp SB over I440 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 March 2023.

How much traffic does I 440 Ramp SB over I440 carry?

About 93,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I 440 Ramp SB over I440?

The structure is 1,330 ft (405.3 m) long with a longest span of 175 ft (53.3 m) and a deck 42 ft wide.

Who owns I 440 Ramp SB over I440?

It is owned by the State Highway Agency.