I77 & US21 Nbl over SR1138
GoodMecklenburg County, North Carolina · 1.0 Mi. S. Jct. SR1164 · Structure no. 000000001190114
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 242 ft
- 3 main spans
- Daily traffic
- 34,750
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I77 & US21 Nbl over SR1138 is a steel stringer/multi-beam or girder carrying I77 & US21 Nbl over SR1138 in Mecklenburg County, North Carolina. It was built in 1990, so it is 35 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 34,750 vehicles a day, roughly 16% of them trucks, projected to reach 69,500 by 2040. The structure is 242 ft (73.7 m) long and 83 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 & US21 Nbl over SR1138 built?
It was built in 1990, making it 35 years old in 2025.
What condition is I77 & US21 Nbl over SR1138 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 2023.
How much traffic does I77 & US21 Nbl over SR1138 carry?
About 34,750 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is I77 & US21 Nbl over SR1138?
The structure is 242 ft (73.7 m) long with a longest span of 157 ft (47.8 m) and a deck 83 ft wide.
Who owns I77 & US21 Nbl over SR1138?
It is owned by the State Highway Agency.