US Bridges

I485 Wbl Ramp over I77 Nbl Ramp

Fair

Mecklenburg County, North Carolina · 0.8 Mi. N. Jct. SR1126 · Structure no. 000000001190660

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
3 main spans
Daily traffic
28,500
2022 count
Owner
State
State Highway Agency

About this bridge

I485 Wbl Ramp over I77 Nbl Ramp is a steel stringer/multi-beam or girder carrying I485 Wbl Ramp over I77 Nbl Ramp 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 28,500 vehicles a day, roughly 16% of them trucks, projected to reach 85,500 by 2040. The structure is 210 ft (64 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI485 Wbl Ramp
CrossesI77 Nbl Ramp
Location0.8 Mi. N. Jct. SR1126
RouteInterstate 485
Coordinates35.12772, -80.91519
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span87 ft (26.5 m)
Deck width64 ft (19.5 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2022)
Projected traffic85,500 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 Nbl Ramp built?

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

What condition is I485 Wbl Ramp over I77 Nbl Ramp 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 July 2024.

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

About 28,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I485 Wbl Ramp over I77 Nbl Ramp?

The structure is 210 ft (64 m) long with a longest span of 87 ft (26.5 m) and a deck 64 ft wide.

Who owns I485 Wbl Ramp over I77 Nbl Ramp?

It is owned by the State Highway Agency.