State Route 49 over W Fork Chowchilla River
FairMariposa County, California · 10-MPA-049-11.44 · Structure no. 40 0023
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 190 ft
- 4 main spans
- Daily traffic
- 3,725
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 49 over W Fork Chowchilla River is a concrete continuous tee beam carrying State Route 49 over W Fork Chowchilla River in Mariposa 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 3,725 vehicles a day, roughly 4% of them trucks, projected to reach 4,730 by 2042. The structure is 190 ft (57.9 m) long and 34 ft wide. If it were closed, the detour would be 62.1 mi (100 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 49 over W Fork Chowchilla River built?
It was built in 1968, making it 57 years old in 2025.
What condition is State Route 49 over W Fork Chowchilla River 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 July 2024.
How much traffic does State Route 49 over W Fork Chowchilla River carry?
About 3,725 vehicles per day (2009 count), of which roughly 4% are trucks.
How long is State Route 49 over W Fork Chowchilla River?
The structure is 190 ft (57.9 m) long with a longest span of 55 ft (16.8 m) and a deck 34 ft wide.
Who owns State Route 49 over W Fork Chowchilla River?
It is owned by the State Highway Agency.