US Bridges

I485 Wbl Ramp over I77 & I485

Fair

Mecklenburg County, North Carolina · 0.8 Mi. N. Jct. SR1128 · Structure no. 000000001190663

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
910 ft
5 main spans
Daily traffic
18,500
2022 count
Owner
State
State Highway Agency

About this bridge

I485 Wbl Ramp over I77 & I485 is a steel continuous stringer/multi-beam or girder carrying I485 Wbl Ramp over I77 & I485 in Mecklenburg County, North Carolina. It was built in 1994, so it is 31 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 fair condition with a lowest component rating of 6 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 18,500 vehicles a day, roughly 16% of them trucks, projected to reach 37,000 by 2040. The structure is 910 ft (277.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI485 Wbl Ramp
CrossesI77 & I485
Location0.8 Mi. N. Jct. SR1128
RouteInterstate 485
CountyMecklenburg County
StateNorth Carolina
Coordinates35.12525, -80.91743
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHS 20 + Mod
Structure length910 ft (277.3 m)
Longest span169 ft (51.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic18,500 (2022)
Projected traffic37,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 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 Wbl Ramp over I77 & I485 built?

It was built in 1994, making it 31 years old in 2025.

What condition is I485 Wbl Ramp over I77 & I485 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 August 2024.

How much traffic does I485 Wbl Ramp over I77 & I485 carry?

About 18,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I485 Wbl Ramp over I77 & I485?

The structure is 910 ft (277.3 m) long with a longest span of 169 ft (51.5 m) and a deck 43 ft wide.

Who owns I485 Wbl Ramp over I77 & I485?

It is owned by the State Highway Agency.