State Route 59 over Dana Slough
GoodMerced County, California · 10-MER-059-28.18 · Structure no. 39 0086
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 1,425
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 59 over Dana Slough is a concrete slab carrying State Route 59 over Dana Slough in Merced County, California. It was built in 1986, so it is 39 years old, younger 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 1,425 vehicles a day, roughly 13% of them trucks, projected to reach 2,664 by 2046. The structure is 25 ft (7.6 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 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 State Route 59 over Dana Slough built?
It was built in 1986, making it 39 years old in 2025.
What condition is State Route 59 over Dana 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 May 2024.
How much traffic does State Route 59 over Dana Slough carry?
About 1,425 vehicles per day (2009 count), of which roughly 13% are trucks.
How long is State Route 59 over Dana Slough?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.
Who owns State Route 59 over Dana Slough?
It is owned by the State Highway Agency.