Isbel DR over Branciforte Creek
PoorSanta Cruz County, California · 0.2 MI N of HWY 1 · Structure no. 36C0145
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 2,015
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Isbel DR over Branciforte Creek is a steel stringer/multi-beam or girder carrying Isbel DR over Branciforte Creek in Santa Cruz County, California. It was built in 1971, so it is 54 years old, younger 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 2,015 vehicles a day, roughly 10% of them trucks, projected to reach 5,345 by 2041. The structure is 41 ft (12.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Isbel DR over Branciforte Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Isbel DR over Branciforte Creek 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 Isbel DR over Branciforte Creek carry?
About 2,015 vehicles per day (2015 count), of which roughly 10% are trucks.
How long is Isbel DR over Branciforte Creek?
The structure is 41 ft (12.6 m) long with a longest span of 39 ft (12 m) and a deck 33 ft wide.
Who owns Isbel DR over Branciforte Creek?
It is owned by the City or Municipal Highway Agency.