US Bridges

I485 Inner Loop over Independence Hill Rd.

Good

Mecklenburg County, North Carolina · 0.6MI.E.OF NC115/OL.ST.RD · Structure no. 000000001191264

Built
2015
10 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
42,750
2020 count
Owner
State
State Highway Agency

About this bridge

I485 Inner Loop over Independence Hill Rd. is a prestressed concrete stringer/multi-beam or girder carrying I485 Inner Loop over Independence Hill Rd. in Mecklenburg County, North Carolina. It was built in 2015, so it is 10 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 42,750 vehicles a day, roughly 16% of them trucks, projected to reach 85,500 by 2040. The structure is 115 ft (35 m) long and 75 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI485 Inner Loop
CrossesIndependence Hill Rd.
Location0.6MI.E.OF NC115/OL.ST.RD
RouteInterstate 485
Coordinates35.36632, -80.81585
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 rating77.9 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35 m)
Longest span109 ft (33.2 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,750 (2020)
Projected traffic85,500 by 2040
Trucks16%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Inner Loop over Independence Hill Rd. built?

It was built in 2015, making it 10 years old in 2025.

What condition is I485 Inner Loop over Independence Hill Rd. 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 January 2024.

How much traffic does I485 Inner Loop over Independence Hill Rd. carry?

About 42,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I485 Inner Loop over Independence Hill Rd.?

The structure is 115 ft (35 m) long with a longest span of 109 ft (33.2 m) and a deck 75 ft wide.

Who owns I485 Inner Loop over Independence Hill Rd.?

It is owned by the State Highway Agency.