US Bridges

I-77 NB Hov over I-85

Good

Mecklenburg County, North Carolina · I-77 near Lasalle St. · Structure no. 000000001191340

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
2 main spans
Daily traffic
65,000
2020 count
Owner
State
State Highway Agency

About this bridge

I-77 NB Hov over I-85 is a prestressed concrete stringer/multi-beam or girder carrying I-77 NB Hov over I-85 in Mecklenburg County, North Carolina. It was built in 2019, so it is 6 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65,000 vehicles a day, roughly 16% of them trucks, projected to reach 130,000 by 2040. The structure is 245 ft (74.6 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-77 NB Hov
CrossesI-85
LocationI-77 near Lasalle St.
RouteInterstate 77
CountyMecklenburg County
StateNorth Carolina
Coordinates35.27328, -80.84372
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating84 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length245 ft (74.6 m)
Longest span120 ft (36.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,000 (2020)
Projected traffic130,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemNo

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 I-77 NB Hov over I-85 built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-77 NB Hov over I-85 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does I-77 NB Hov over I-85 carry?

About 65,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I-77 NB Hov over I-85?

The structure is 245 ft (74.6 m) long with a longest span of 120 ft (36.5 m) and a deck 41 ft wide.

Who owns I-77 NB Hov over I-85?

It is owned by the State Highway Agency.