Hollenbeck over Duck Creek
FairSan Joaquin County, California · 0.1 MI N of SH 4 · Structure no. 29C0344
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 68
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Hollenbeck over Duck Creek is a concrete continuous slab carrying Hollenbeck over Duck Creek in San Joaquin County, California. It was built in 1968, so it is 57 years old, older than the California average of 54.8 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 68 vehicles a day, roughly 5% of them trucks, projected to reach 163 by 2041. The structure is 72 ft (21.9 m) long and 32 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hollenbeck over Duck Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is Hollenbeck over Duck Creek 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 March 2023.
How much traffic does Hollenbeck over Duck Creek carry?
About 68 vehicles per day (2013 count), of which roughly 5% are trucks.
How long is Hollenbeck over Duck Creek?
The structure is 72 ft (21.9 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns Hollenbeck over Duck Creek?
It is owned by the County Highway Agency.