US Bridges

I85 Ramp over I77 Ramp

Fair

Mecklenburg County, North Carolina · 0.2 Mi. W. Jct. SR2691 · Structure no. 000000001190544

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
226 ft
2 main spans
Daily traffic
18,300
2022 count
Owner
State
State Highway Agency

About this bridge

I85 Ramp over I77 Ramp is a steel stringer/multi-beam or girder carrying I85 Ramp over I77 Ramp in Mecklenburg County, North Carolina. It was built in 1989, so it is 36 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 18,300 vehicles a day, roughly 16% of them trucks, projected to reach 36,600 by 2040. The structure is 226 ft (68.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI85 Ramp
CrossesI77 Ramp
Location0.2 Mi. W. Jct. SR2691
RouteInterstate 85
CountyMecklenburg County
StateNorth Carolina
Coordinates35.27369, -80.83942
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length226 ft (68.8 m)
Longest span147 ft (44.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2022)
Projected traffic36,600 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 I85 Ramp over I77 Ramp built?

It was built in 1989, making it 36 years old in 2025.

What condition is I85 Ramp over I77 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 August 2024.

How much traffic does I85 Ramp over I77 Ramp carry?

About 18,300 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I85 Ramp over I77 Ramp?

The structure is 226 ft (68.8 m) long with a longest span of 147 ft (44.8 m) and a deck 35 ft wide.

Who owns I85 Ramp over I77 Ramp?

It is owned by the State Highway Agency.