US Bridges

I485 Inner Ramp over Sugar Creek

Fair

Mecklenburg County, North Carolina · 2.6 Mi. N. Jct. SR4904 · Structure no. 000000001190659

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
298 ft
4 main spans
Daily traffic
20,500
2022 count
Owner
State
State Highway Agency

About this bridge

I485 Inner Ramp over Sugar Creek is a prestressed concrete stringer/multi-beam or girder carrying I485 Inner Ramp over Sugar Creek in Mecklenburg County, North Carolina. It was built in 1994, so it is 31 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 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 20,500 vehicles a day, roughly 14% of them trucks, projected to reach 41,000 by 2040. The structure is 298 ft (90.8 m) long and 45 ft wide.

CarriesI485 Inner Ramp
CrossesSugar Creek
Location2.6 Mi. N. Jct. SR4904
RouteInterstate 485
Coordinates35.12625, -80.91496
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.9 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length298 ft (90.8 m)
Longest span84 ft (25.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2022)
Projected traffic41,000 by 2040
Trucks14%
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 Inner Ramp over Sugar Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is I485 Inner Ramp over Sugar 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 October 2024.

How much traffic does I485 Inner Ramp over Sugar Creek carry?

About 20,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I485 Inner Ramp over Sugar Creek?

The structure is 298 ft (90.8 m) long with a longest span of 84 ft (25.6 m) and a deck 45 ft wide.

Who owns I485 Inner Ramp over Sugar Creek?

It is owned by the State Highway Agency.