Powerhouse Road over San Joaquin River
FairFresno County, California · At Madera County Line · Structure no. 42C0628
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 490 ft
- 4 main spans
- Daily traffic
- 300
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Powerhouse Road over San Joaquin River is a prestressed concrete continuous box beam or girders - multiple carrying Powerhouse Road over San Joaquin River in Fresno County, California. It was built in 2001, so it is 24 years old, younger 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 5 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 877 by 2042. The structure is 490 ft (149.4 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Powerhouse Road over San Joaquin River built?
It was built in 2001, making it 24 years old in 2025.
What condition is Powerhouse Road over San Joaquin 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 May 2024.
How much traffic does Powerhouse Road over San Joaquin River carry?
About 300 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Powerhouse Road over San Joaquin River?
The structure is 490 ft (149.4 m) long with a longest span of 150 ft (45.7 m) and a deck 31 ft wide.
Who owns Powerhouse Road over San Joaquin River?
It is owned by the County Highway Agency.