US Bridges

I77 Sbl Ramp over Sugar Creek

Good

Mecklenburg County, North Carolina · 0.9 Mi. S. Jct. SR1138 · Structure no. 000000001190805

Built
1997
28 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
3 main spans
Daily traffic
9,500
2013 count
Owner
State
State Highway Agency

About this bridge

I77 Sbl Ramp over Sugar Creek is a prestressed concrete stringer/multi-beam or girder carrying I77 Sbl Ramp over Sugar 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 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 9,500 vehicles a day, roughly 16% of them trucks, projected to reach 19,000 by 2040. The structure is 274 ft (83.5 m) long and 43 ft wide.

CarriesI77 Sbl Ramp
CrossesSugar Creek
Location0.9 Mi. S. Jct. SR1138
RouteInterstate 77
Coordinates35.12801, -80.91718
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 inspectionMay 2021
Inspection intervalevery 48 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 rating99 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length274 ft (83.5 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2013)
Projected traffic19,000 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I77 Sbl Ramp over Sugar Creek built?

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

What condition is I77 Sbl Ramp over Sugar 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 May 2021.

How much traffic does I77 Sbl Ramp over Sugar Creek carry?

About 9,500 vehicles per day (2013 count), of which roughly 16% are trucks.

How long is I77 Sbl Ramp over Sugar Creek?

The structure is 274 ft (83.5 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns I77 Sbl Ramp over Sugar Creek?

It is owned by the State Highway Agency.