SR1816 over I77
FairIredell County, North Carolina · 0.2 Mi. W. Jct. SR1821 · Structure no. 000000000970208
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 334 ft
- 3 main spans
- Daily traffic
- 520
- 2005 count
- Owner
- State
- State Highway Agency
About this bridge
SR1816 over I77 is a steel continuous stringer/multi-beam or girder carrying SR1816 over I77 in Iredell County, North Carolina. It was built in 1973, so it is 52 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 520 vehicles a day, roughly 6% of them trucks, projected to reach 1,040 by 2040. The structure is 334 ft (101.8 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR1816 over I77 built?
It was built in 1973, making it 52 years old in 2025.
What condition is SR1816 over I77 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 June 2024.
How much traffic does SR1816 over I77 carry?
About 520 vehicles per day (2005 count), of which roughly 6% are trucks.
How long is SR1816 over I77?
The structure is 334 ft (101.8 m) long with a longest span of 109 ft (33.2 m) and a deck 32 ft wide.
Who owns SR1816 over I77?
It is owned by the State Highway Agency.