US Bridges

I85 over I485 Nbl Ramp

Good

Mecklenburg County, North Carolina · 1.1 Mi. E. Jct. SR1625 · Structure no. 000000001190820

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
1 main span
Daily traffic
95,000
2020 count
Owner
State
State Highway Agency

About this bridge

I85 over I485 Nbl Ramp is a steel stringer/multi-beam or girder carrying I85 over I485 Nbl Ramp 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 95,000 vehicles a day, roughly 16% of them trucks, projected to reach 190,000 by 2040. The structure is 131 ft (39.9 m) long and 149 ft wide.

CarriesI85
CrossesI485 Nbl Ramp
Location1.1 Mi. E. Jct. SR1625
RouteInterstate 85
Coordinates35.24852, -80.96775
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.
Superstructure8 Very GoodNo problems noted.
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 rating99 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span126 ft (38.4 m)
Deck width149 ft (45.3 m)
Roadway width143 ft (43.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95,000 (2020)
Projected traffic190,000 by 2040
Trucks16%
Lanes on structure9
Traffic directionTwo-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 I85 over I485 Nbl Ramp built?

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

What condition is I85 over I485 Nbl Ramp 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 I85 over I485 Nbl Ramp carry?

About 95,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85 over I485 Nbl Ramp?

The structure is 131 ft (39.9 m) long with a longest span of 126 ft (38.4 m) and a deck 149 ft wide.

Who owns I85 over I485 Nbl Ramp?

It is owned by the State Highway Agency.