US Bridges

I485 Nbl Ramp over I485

Good

Mecklenburg County, North Carolina · 0.3M. E. Jct. I85 · Structure no. 000000001190818

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
3 main spans
Daily traffic
13,750
2022 count
Owner
State
State Highway Agency

About this bridge

I485 Nbl Ramp over I485 is a steel continuous stringer/multi-beam or girder carrying I485 Nbl Ramp over I485 in Mecklenburg 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 13,750 vehicles a day, roughly 16% of them trucks, projected to reach 27,500 by 2040. The structure is 333 ft (101.4 m) long and 46 ft wide.

CarriesI485 Nbl Ramp
CrossesI485
Location0.3M. E. Jct. I85
RouteInterstate 485
Coordinates35.25144, -80.96838
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 inspectionFebruary 2024
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 rating51.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length333 ft (101.4 m)
Longest span134 ft (40.8 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,750 (2022)
Projected traffic27,500 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I485 Nbl Ramp over I485 built?

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

What condition is I485 Nbl Ramp over I485 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 February 2024.

How much traffic does I485 Nbl Ramp over I485 carry?

About 13,750 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I485 Nbl Ramp over I485?

The structure is 333 ft (101.4 m) long with a longest span of 134 ft (40.8 m) and a deck 46 ft wide.

Who owns I485 Nbl Ramp over I485?

It is owned by the State Highway Agency.