US Bridges

I485 Sbl Ramp over Stony Creek

Fair

Mecklenburg County, North Carolina · 0.3 Mi. S. Jct. I85 · Structure no. 000000001190943

Built
1999
26 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
14,000
2021 count
Owner
State
State Highway Agency

About this bridge

I485 Sbl Ramp over Stony Creek is a concrete continuous culvert carrying I485 Sbl Ramp over Stony Creek in Mecklenburg County, North Carolina. It was built in 1999, so it is 26 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 14,000 vehicles a day, roughly 16% of them trucks, projected to reach 28,000 by 2040. The structure is 26 ft (7.9 m) long.

CarriesI485 Sbl Ramp
CrossesStony Creek
Location0.3 Mi. S. Jct. I85
RouteInterstate 485
Coordinates35.34398, -80.73208
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 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 traffic14,000 (2021)
Projected traffic28,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 I485 Sbl Ramp over Stony Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is I485 Sbl Ramp over Stony 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 February 2025.

How much traffic does I485 Sbl Ramp over Stony Creek carry?

About 14,000 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I485 Sbl Ramp over Stony Creek?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m).

Who owns I485 Sbl Ramp over Stony Creek?

It is owned by the State Highway Agency.