I77 Ramp over Irwin Creek
FairMecklenburg County, North Carolina · 0.15 Mi. N. Jct. NC160 · Structure no. 000000001190215
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 341 ft
- 4 main spans
- Daily traffic
- 9,300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I77 Ramp over Irwin Creek is a steel stringer/multi-beam or girder carrying I77 Ramp over Irwin Creek in Mecklenburg County, North Carolina. It was built in 1970, so it is 55 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 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 9,300 vehicles a day, roughly 16% of them trucks, projected to reach 18,600 by 2040. The structure is 341 ft (103.9 m) long and 26 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I77 Ramp over Irwin Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is I77 Ramp over Irwin 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 May 2023.
How much traffic does I77 Ramp over Irwin Creek carry?
About 9,300 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is I77 Ramp over Irwin Creek?
The structure is 341 ft (103.9 m) long with a longest span of 87 ft (26.5 m) and a deck 26 ft wide.
Who owns I77 Ramp over Irwin Creek?
It is owned by the State Highway Agency.