NC73 over I77 Sbl
FairMecklenburg County, North Carolina · 0.17 Mi. W. Jct. US21 · Structure no. 000000001190359
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 165 ft
- 3 main spans
- Daily traffic
- 42,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NC73 over I77 Sbl is a steel stringer/multi-beam or girder carrying NC73 over I77 Sbl in Mecklenburg County, North Carolina. It was built in 1992, so it is 33 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 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 42,500 vehicles a day, roughly 12% of them trucks, projected to reach 85,000 by 2040. The structure is 165 ft (50.2 m) long and 93 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NC73 over I77 Sbl built?
It was built in 1992, making it 33 years old in 2025.
What condition is NC73 over I77 Sbl 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 2024.
How much traffic does NC73 over I77 Sbl carry?
About 42,500 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is NC73 over I77 Sbl?
The structure is 165 ft (50.2 m) long with a longest span of 84 ft (25.6 m) and a deck 93 ft wide.
Who owns NC73 over I77 Sbl?
It is owned by the State Highway Agency.