I 580 over Parker Ranch Road
GoodWashoe County, Nevada · Old Washoe City · Structure no. H1946
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected June 2022
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 117 ft
- 1 main span
- Daily traffic
- 40,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I 580 over Parker Ranch Road is a prestressed concrete box beam or girders - single or spread carrying I 580 over Parker Ranch Road in Washoe County, Nevada. It was built in 2011, so it is 14 years old, younger 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 40,500 vehicles a day, roughly 5% of them trucks, projected to reach 47,500 by 2040. The structure is 117 ft (35.8 m) long and 123 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 580 over Parker Ranch Road built?
It was built in 2011, making it 14 years old in 2025.
What condition is I 580 over Parker Ranch Road 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 June 2022.
How much traffic does I 580 over Parker Ranch Road carry?
About 40,500 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is I 580 over Parker Ranch Road?
The structure is 117 ft (35.8 m) long with a longest span of 117 ft (35.8 m) and a deck 123 ft wide.
Who owns I 580 over Parker Ranch Road?
It is owned by the State Highway Agency.