West Lane over Calaveras River
PoorSan Joaquin County, California · 0.5 MI N Fulton ST · Structure no. 29C0157L
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 312 ft
- 12 main spans
- Daily traffic
- 41,000
- 2007 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
West Lane over Calaveras River is a concrete continuous slab carrying West Lane over Calaveras River in San Joaquin County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 41,000 vehicles a day, roughly 17% of them trucks, projected to reach 49,956 by 2047. The structure is 312 ft (95.1 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was West Lane over Calaveras River built?
It was built in 1966, making it 59 years old in 2025.
What condition is West Lane over Calaveras River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does West Lane over Calaveras River carry?
About 41,000 vehicles per day (2007 count), of which roughly 17% are trucks.
How long is West Lane over Calaveras River?
The structure is 312 ft (95.1 m) long with a longest span of 26 ft (7.9 m) and a deck 48 ft wide.
Who owns West Lane over Calaveras River?
It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.