US Bridges

I485 US74 Ramp Fly over I485

Fair

Mecklenburg County, North Carolina · 0.4 Miles W. Jct. US74 · Structure no. 000000001190747

Built
1997
28 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
3 main spans
Daily traffic
21,500
2021 count
Owner
State
State Highway Agency

About this bridge

I485 US74 Ramp Fly over I485 is a steel continuous stringer/multi-beam or girder carrying I485 US74 Ramp Fly over I485 in Mecklenburg County, North Carolina. It was built in 1997, so it is 28 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 21,500 vehicles a day, roughly 16% of them trucks, projected to reach 43,000 by 2040. The structure is 279 ft (85 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI485 US74 Ramp Fly
CrossesI485
Location0.4 Miles W. Jct. US74
RouteInterstate 485
Coordinates35.11118, -80.68674
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
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 rating62.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length279 ft (85 m)
Longest span109 ft (33.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (2021)
Projected traffic43,000 by 2040
Trucks16%
Lanes on structure2
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 US74 Ramp Fly over I485 built?

It was built in 1997, making it 28 years old in 2025.

What condition is I485 US74 Ramp Fly over 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 February 2025.

How much traffic does I485 US74 Ramp Fly over I485 carry?

About 21,500 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I485 US74 Ramp Fly over I485?

The structure is 279 ft (85 m) long with a longest span of 109 ft (33.2 m) and a deck 45 ft wide.

Who owns I485 US74 Ramp Fly over I485?

It is owned by the State Highway Agency.