US Bridges

I277 & US74 Ramp over Stonewall Street

Fair

Mecklenburg County, North Carolina · 0.21 Mi. N. Jct. NC27 · Structure no. 000000001190522

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
306 ft
4 main spans
Daily traffic
10,500
2022 count
Owner
State
State Highway Agency

About this bridge

I277 & US74 Ramp over Stonewall Street is a steel stringer/multi-beam or girder carrying I277 & US74 Ramp over Stonewall Street in Mecklenburg County, North Carolina. It was built in 1988, so it is 37 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 10,500 vehicles a day, roughly 16% of them trucks, projected to reach 21,000 by 2040. The structure is 306 ft (93.2 m) long and 35 ft wide.

CarriesI277 & US74 Ramp
CrossesStonewall Street
Location0.21 Mi. N. Jct. NC27
RouteInterstate 277
Coordinates35.21442, -80.83778
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length306 ft (93.2 m)
Longest span128 ft (39 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2022)
Projected traffic21,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 I277 & US74 Ramp over Stonewall Street built?

It was built in 1988, making it 37 years old in 2025.

What condition is I277 & US74 Ramp over Stonewall Street 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 August 2024.

How much traffic does I277 & US74 Ramp over Stonewall Street carry?

About 10,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I277 & US74 Ramp over Stonewall Street?

The structure is 306 ft (93.2 m) long with a longest span of 128 ft (39 m) and a deck 35 ft wide.

Who owns I277 & US74 Ramp over Stonewall Street?

It is owned by the State Highway Agency.