US Bridges

I485 over Stoney Creek

Fair

Mecklenburg County, North Carolina · 0.55 Mi.N. Jct. US29 · Structure no. 000000001190492

Built
1967
58 years old, rebuilt 1999
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
96,500
2020 count
Owner
State
State Highway Agency

About this bridge

I485 over Stoney Creek is a concrete continuous culvert carrying I485 over Stoney Creek in Mecklenburg County, North Carolina. It was built in 1967 and reconstructed in 1999, so it is 58 years old, older 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 96,500 vehicles a day, roughly 16% of them trucks, projected to reach 193,000 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI485
CrossesStoney Creek
Location0.55 Mi.N. Jct. US29
RouteInterstate 485
CountyMecklenburg County
StateNorth Carolina
Coordinates35.338, -80.72526
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,500 (2020)
Projected traffic193,000 by 2040
Trucks16%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I485 over Stoney Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1999.

What condition is I485 over Stoney Creek 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 November 2023.

How much traffic does I485 over Stoney Creek carry?

About 96,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I485 over Stoney Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns I485 over Stoney Creek?

It is owned by the State Highway Agency.