I 580 over Vassar ST
GoodWashoe County, Nevada · 3/4MI N of Plumb 3/4MI S · Structure no. H1251
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 120 ft
- 1 main span
- Daily traffic
- 170,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I 580 over Vassar ST is a prestressed concrete box beam or girders - multiple carrying I 580 over Vassar ST in Washoe County, Nevada. It was built in 1977, so it is 48 years old, older than the Nevada average of 36.4 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 170,000 vehicles a day, roughly 8% of them trucks, projected to reach 165,500 by 2040. The structure is 120 ft (36.5 m) long and 199 ft wide. If it were closed, the detour would be 0.6 mi (1 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 I 580 over Vassar ST built?
It was built in 1977, making it 48 years old in 2025.
What condition is I 580 over Vassar ST 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 April 2024.
How much traffic does I 580 over Vassar ST carry?
About 170,000 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is I 580 over Vassar ST?
The structure is 120 ft (36.5 m) long with a longest span of 115 ft (35.1 m) and a deck 199 ft wide.
Who owns I 580 over Vassar ST?
It is owned by the State Highway Agency.