Interstate 80 over State Route 89
GoodNevada County, California · 03-NEV-080-14.16 · Structure no. 17 0029
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 147 ft
- 2 main spans
- Daily traffic
- 31,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over State Route 89 is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 80 over State Route 89 in Nevada County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 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 31,000 vehicles a day, roughly 18% of them trucks, projected to reach 42,254 by 2041. The structure is 147 ft (44.8 m) long and 108 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 80 over State Route 89 built?
It was built in 1991, making it 34 years old in 2025.
What condition is Interstate 80 over State Route 89 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 August 2024.
How much traffic does Interstate 80 over State Route 89 carry?
About 31,000 vehicles per day (2020 count), of which roughly 18% are trucks.
How long is Interstate 80 over State Route 89?
The structure is 147 ft (44.8 m) long with a longest span of 74 ft (22.6 m) and a deck 108 ft wide.
Who owns Interstate 80 over State Route 89?
It is owned by the State Highway Agency.