I77 Ramps over US21
GoodMecklenburg County, North Carolina · 0.1 Mi. E. Jct. I77 · Structure no. 000000001190972
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 263 ft
- 2 main spans
- Daily traffic
- 28,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I77 Ramps over US21 is a steel continuous stringer/multi-beam or girder carrying I77 Ramps over US21 in Mecklenburg County, North Carolina. It was built in 2008, so it is 17 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 28,000 vehicles a day, roughly 16% of them trucks, projected to reach 56,000 by 2040. The structure is 263 ft (80.1 m) long and 69 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I77 Ramps over US21 built?
It was built in 2008, making it 17 years old in 2025.
What condition is I77 Ramps over US21 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 2023.
How much traffic does I77 Ramps over US21 carry?
About 28,000 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is I77 Ramps over US21?
The structure is 263 ft (80.1 m) long with a longest span of 114 ft (34.7 m) and a deck 69 ft wide.
Who owns I77 Ramps over US21?
It is owned by the State Highway Agency.