I485 Sbl over SR3177
GoodMecklenburg County, North Carolina · 0.5 Mi. N. Jct. US74 · Structure no. 000000001190987
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 256 ft
- 3 main spans
- Daily traffic
- 28,250
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I485 Sbl over SR3177 is a prestressed concrete continuous stringer/multi-beam or girder carrying I485 Sbl over SR3177 in Mecklenburg County, North Carolina. It was built in 2000, so it is 25 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 28,250 vehicles a day, roughly 16% of them trucks, projected to reach 56,500 by 2040. The structure is 256 ft (78 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I485 Sbl over SR3177 built?
It was built in 2000, making it 25 years old in 2025.
What condition is I485 Sbl over SR3177 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 February 2025.
How much traffic does I485 Sbl over SR3177 carry?
About 28,250 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is I485 Sbl over SR3177?
The structure is 256 ft (78 m) long with a longest span of 88 ft (26.8 m) and a deck 49 ft wide.
Who owns I485 Sbl over SR3177?
It is owned by the State Highway Agency.