State Route 33 over Parnell Bypass
FairMerced County, California · 10-MER-033-21.47 · Structure no. 39 0113
- Built
- 1920
- 105 years old, rebuilt 1973
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 7,475
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 33 over Parnell Bypass is a concrete slab carrying State Route 33 over Parnell Bypass in Merced County, California. It was built in 1920 and reconstructed in 1973, 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 7,475 vehicles a day, roughly 23% of them trucks, projected to reach 11,746 by 2043. The structure is 23 ft (7 m) long and 41 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 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 33 over Parnell Bypass built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1973.
What condition is State Route 33 over Parnell Bypass 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 December 2023.
How much traffic does State Route 33 over Parnell Bypass carry?
About 7,475 vehicles per day (2009 count), of which roughly 23% are trucks.
How long is State Route 33 over Parnell Bypass?
The structure is 23 ft (7 m) long with a longest span of 21 ft (6.5 m) and a deck 41 ft wide.
Who owns State Route 33 over Parnell Bypass?
It is owned by the State Highway Agency.