US Bridges

I277 & US74 Sbl over Stonewall Street

Good

Mecklenburg County, North Carolina · 0.23 Mi. S. Jct. NC16 · Structure no. 000000001190479

Built
1986
39 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
3 main spans
Daily traffic
51,000
2020 count
Owner
State
State Highway Agency

About this bridge

I277 & US74 Sbl over Stonewall Street is a steel stringer/multi-beam or girder carrying I277 & US74 Sbl over Stonewall Street in Mecklenburg County, North Carolina. It was built in 1986, so it is 39 years old, older 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 51,000 vehicles a day, roughly 16% of them trucks, projected to reach 102,000 by 2040. The structure is 200 ft (60.9 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI277 & US74 Sbl
CrossesStonewall Street
Location0.23 Mi. S. Jct. NC16
RouteInterstate 277
Coordinates35.21506, -80.8387
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating70 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length200 ft (60.9 m)
Longest span126 ft (38.4 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2020)
Projected traffic102,000 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 I277 & US74 Sbl over Stonewall Street built?

It was built in 1986, making it 39 years old in 2025.

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

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

About 51,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I277 & US74 Sbl over Stonewall Street?

The structure is 200 ft (60.9 m) long with a longest span of 126 ft (38.4 m) and a deck 65 ft wide.

Who owns I277 & US74 Sbl over Stonewall Street?

It is owned by the State Highway Agency.