State Route 4 over Duck Creek
FairStanislaus County, California · 10-STA-004-0.88 · Structure no. 38 0039
- Built
- 1920
- 105 years old, rebuilt 1974
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 4,900
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 over Duck Creek is a concrete continuous slab carrying State Route 4 over Duck Creek in Stanislaus County, California. It was built in 1920 and reconstructed in 1974, so it is 105 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 4,900 vehicles a day, roughly 8% of them trucks, projected to reach 6,290 by 2042. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 26.1 mi (42 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 over Duck Creek built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1974.
What condition is State Route 4 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 2024.
How much traffic does State Route 4 over Duck Creek carry?
About 4,900 vehicles per day (2015 count), of which roughly 8% are trucks.
How long is State Route 4 over Duck Creek?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.
Who owns State Route 4 over Duck Creek?
It is owned by the State Highway Agency.