US Bridges

I485 over North Fork Crooked Creek

Fair

Mecklenburg County, North Carolina · 0.1 Mi. N. Jct. SR3177 · Structure no. 000000001190749

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
56,500
2020 count
Owner
State
State Highway Agency

About this bridge

I485 over North Fork Crooked Creek is a concrete continuous culvert carrying I485 over North Fork Crooked Creek in Mecklenburg County, North Carolina. It was built in 1997, so it is 28 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 56,500 vehicles a day, roughly 16% of them trucks, projected to reach 113,000 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI485
CrossesNorth Fork Crooked Creek
Location0.1 Mi. N. Jct. SR3177
RouteInterstate 485
CountyMecklenburg County
StateNorth Carolina
Coordinates35.11289, -80.67879
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 inspectionMarch 2023
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 rating88 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,500 (2020)
Projected traffic113,000 by 2040
Trucks16%
Lanes on structure5
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I485 over North Fork Crooked Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is I485 over North Fork Crooked 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 March 2023.

How much traffic does I485 over North Fork Crooked Creek carry?

About 56,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I485 over North Fork Crooked Creek?

The structure is 22 ft (6.7 m) long with a longest span of 8 ft (2.4 m).

Who owns I485 over North Fork Crooked Creek?

It is owned by the State Highway Agency.