I277 & NC16 over US29/NC49 (graham St.)
PoorMecklenburg County, North Carolina · 1.22 MI.N.JCT.US74 Wbl · Structure no. 000000001190330
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 190 ft
- 3 main spans
- Daily traffic
- 127,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I277 & NC16 over US29/NC49 (graham St.) is a steel stringer/multi-beam or girder carrying I277 & NC16 over US29/NC49 (graham St.) in Mecklenburg County, North Carolina. It was built in 1971, so it is 54 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 127,000 vehicles a day, roughly 16% of them trucks, projected to reach 254,000 by 2040. The structure is 190 ft (57.9 m) long and 132 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I277 & NC16 over US29/NC49 (graham St.) built?
It was built in 1971, making it 54 years old in 2025.
What condition is I277 & NC16 over US29/NC49 (graham St.) in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does I277 & NC16 over US29/NC49 (graham St.) carry?
About 127,000 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is I277 & NC16 over US29/NC49 (graham St.)?
The structure is 190 ft (57.9 m) long with a longest span of 102 ft (31 m) and a deck 132 ft wide.
Who owns I277 & NC16 over US29/NC49 (graham St.)?
It is owned by the State Highway Agency.