US Bridges

I485 Ramp over I85 Sbl Ramp

Good

Mecklenburg County, North Carolina · 0.4 Mi. E. Jct. SR1625 · Structure no. 000000001190816

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
27,500
2022 count
Owner
State
State Highway Agency

About this bridge

I485 Ramp over I85 Sbl Ramp is a steel continuous stringer/multi-beam or girder carrying I485 Ramp over I85 Sbl 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 27,500 vehicles a day, roughly 16% of them trucks, projected to reach 55,000 by 2040. The structure is 237 ft (72.2 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI485 Ramp
CrossesI85 Sbl Ramp
Location0.4 Mi. E. Jct. SR1625
RouteInterstate 485
Coordinates35.2523, -80.9755
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.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating54.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length237 ft (72.2 m)
Longest span93 ft (28.3 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2022)
Projected traffic55,000 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I485 Ramp over I85 Sbl Ramp built?

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

What condition is I485 Ramp over I85 Sbl 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 April 2024.

How much traffic does I485 Ramp over I85 Sbl Ramp carry?

About 27,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I485 Ramp over I85 Sbl Ramp?

The structure is 237 ft (72.2 m) long with a longest span of 93 ft (28.3 m) and a deck 40 ft wide.

Who owns I485 Ramp over I85 Sbl Ramp?

It is owned by the State Highway Agency.