17th Street over State Route 55
GoodOrange County, California · 12-ORA-055-11.80-TUS · Structure no. 55 0863
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 260 ft
- 2 main spans
- Daily traffic
- 21,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
17th Street over State Route 55 is a prestressed concrete continuous box beam or girders - multiple carrying 17th Street over State Route 55 in Orange County, California. It was built in 1997, so it is 28 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 21,000 vehicles a day, roughly 3% of them trucks, projected to reach 25,000 by 2042. The structure is 260 ft (79.4 m) long and 118 ft wide. If it were closed, the detour would be 1.9 mi (3 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 17th Street over State Route 55 built?
It was built in 1997, making it 28 years old in 2025.
What condition is 17th Street over State Route 55 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 March 2024.
How much traffic does 17th Street over State Route 55 carry?
About 21,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is 17th Street over State Route 55?
The structure is 260 ft (79.4 m) long with a longest span of 137 ft (41.8 m) and a deck 118 ft wide.
Who owns 17th Street over State Route 55?
It is owned by the State Highway Agency.