State Route 152 WB over San Luis Dam Forebay
FairMerced County, California · 10-MER-152-R10.05 · Structure no. 39 0145L
- Built
- 1964
- 61 years old, rebuilt 1987
- Condition
- Fair
- inspected February 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 560 ft
- 10 main spans
- Daily traffic
- 14,375
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 152 WB over San Luis Dam Forebay is a concrete continuous tee beam carrying State Route 152 WB over San Luis Dam Forebay in Merced County, California. It was built in 1964 and reconstructed in 1987, so it is 61 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 14,375 vehicles a day, roughly 30% of them trucks, projected to reach 34,400 by 2047. The structure is 560 ft (170.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 152 WB over San Luis Dam Forebay built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1987.
What condition is State Route 152 WB over San Luis Dam Forebay 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 February 2025.
How much traffic does State Route 152 WB over San Luis Dam Forebay carry?
About 14,375 vehicles per day (2009 count), of which roughly 30% are trucks.
How long is State Route 152 WB over San Luis Dam Forebay?
The structure is 560 ft (170.7 m) long with a longest span of 59 ft (18 m) and a deck 40 ft wide.
Who owns State Route 152 WB over San Luis Dam Forebay?
It is owned by the State Highway Agency.