US Bridges

I77 Ramp over I77 I485 & Sugar

Fair

Mecklenburg County, North Carolina · 0.8 Mi. N. Jct. SR1126 · Structure no. 000000001190664

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,747 ft
10 main spans
Daily traffic
22,500
2022 count
Owner
State
State Highway Agency

About this bridge

I77 Ramp over I77 I485 & Sugar is a steel continuous stringer/multi-beam or girder carrying I77 Ramp over I77 I485 & Sugar 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 5 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 22,500 vehicles a day, roughly 16% of them trucks, projected to reach 45,000 by 2040. The structure is 1,747 ft (532.4 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesI77 Ramp
CrossesI77 I485 & Sugar
Location0.8 Mi. N. Jct. SR1126
RouteInterstate 77
CountyMecklenburg County
StateNorth Carolina
Coordinates35.12569, -80.91755
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10 (+2 approach)
Design loadHS 20 + Mod
Structure length1,747 ft (532.4 m)
Longest span190 ft (57.9 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2022)
Projected traffic45,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I77 Ramp over I77 I485 & Sugar built?

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

What condition is I77 Ramp over I77 I485 & Sugar 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 I77 Ramp over I77 I485 & Sugar carry?

About 22,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I77 Ramp over I77 I485 & Sugar?

The structure is 1,747 ft (532.4 m) long with a longest span of 190 ft (57.9 m) and a deck 45 ft wide.

Who owns I77 Ramp over I77 I485 & Sugar?

It is owned by the State Highway Agency.