Healy Road over Duck Slough
GoodMerced County, California · 1.2 MI N Mcnamara RD · Structure no. 39C0083
- Built
- 1935
- 90 years old, rebuilt 1976
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 54 ft
- 3 main spans
- Daily traffic
- 719
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Healy Road over Duck Slough is a concrete continuous slab carrying Healy Road over Duck Slough in Merced County, California. It was built in 1935 and reconstructed in 1976, so it is 90 years old, older 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 719 vehicles a day, roughly 37% of them trucks, projected to reach 733 by 2046. The structure is 54 ft (16.5 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Healy Road over Duck Slough built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1976.
What condition is Healy Road over Duck Slough 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 January 2024.
How much traffic does Healy Road over Duck Slough carry?
About 719 vehicles per day (2019 count), of which roughly 37% are trucks.
How long is Healy Road over Duck Slough?
The structure is 54 ft (16.5 m) long with a longest span of 19 ft (5.7 m) and a deck 32 ft wide.
Who owns Healy Road over Duck Slough?
It is owned by the County Highway Agency.