SR431 Mt Rose Hw over Third Crk
FairWashoe County, Nevada · East of Incline Village · Structure no. B1521
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 63 ft
- 1 main span
- Daily traffic
- 4,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR431 Mt Rose Hw over Third Crk is a steel stringer/multi-beam or girder carrying SR431 Mt Rose Hw over Third Crk in Washoe County, Nevada. It was built in 1976, so it is 49 years old, older than the Nevada average of 36.4 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 4,500 vehicles a day, roughly 3% of them trucks, projected to reach 7,300 by 2040. The structure is 63 ft (19.2 m) long and 46 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR431 Mt Rose Hw over Third Crk built?
It was built in 1976, making it 49 years old in 2025.
What condition is SR431 Mt Rose Hw over Third Crk 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 2023.
How much traffic does SR431 Mt Rose Hw over Third Crk carry?
About 4,500 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is SR431 Mt Rose Hw over Third Crk?
The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.
Who owns SR431 Mt Rose Hw over Third Crk?
It is owned by the State Highway Agency.