Humboldt Drive over Short Channel
PoorOrange County, California · 0.1 MI W/O Saybrook LN · Structure no. 55C0284
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 156 ft
- 3 main spans
- Daily traffic
- 3,000
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Humboldt Drive over Short Channel is a steel stringer/multi-beam or girder carrying Humboldt Drive over Short Channel in Orange County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 3,165 by 2041. The structure is 156 ft (47.5 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Humboldt Drive over Short Channel built?
It was built in 1963, making it 62 years old in 2025.
What condition is Humboldt Drive over Short Channel in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does Humboldt Drive over Short Channel carry?
About 3,000 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Humboldt Drive over Short Channel?
The structure is 156 ft (47.5 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.
Who owns Humboldt Drive over Short Channel?
It is owned by the City or Municipal Highway Agency.