US Bridges

I-485 South over Clarks Creek

Good

Mecklenburg County, North Carolina · 2.8 Miles N. Jct. I-77 · Structure no. 000000001191304

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

About this bridge

I-485 South over Clarks Creek is a prestressed concrete stringer/multi-beam or girder carrying I-485 South over Clarks Creek 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 95 ft (28.9 m) long and 88 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-485 South
CrossesClarks Creek
Location2.8 Miles N. Jct. I-77
RouteInterstate 485
Coordinates35.3692, -80.79491
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating71 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length95 ft (28.9 m)
Longest span89 ft (27.1 m)
Deck width88 ft (26.7 m)
Roadway width84 ft (25.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,750 (2020)
Projected traffic85,500 by 2040
Trucks16%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 I-485 South over Clarks Creek built?

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

What condition is I-485 South over Clarks Creek 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 February 2024.

How much traffic does I-485 South over Clarks Creek carry?

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

How long is I-485 South over Clarks Creek?

The structure is 95 ft (28.9 m) long with a longest span of 89 ft (27.1 m) and a deck 88 ft wide.

Who owns I-485 South over Clarks Creek?

It is owned by the State Highway Agency.