99 W Frontage Road over Bieghle Drain
FairSan Joaquin County, California · 0.1 MI S of Mariposa Road · Structure no. 29C0491
- Built
- 1958
- 67 years old, rebuilt 1968
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 3 main spans
- Daily traffic
- 32,000
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
99 W Frontage Road over Bieghle Drain is a steel culvert carrying 99 W Frontage Road over Bieghle Drain in San Joaquin County, California. It was built in 1958 and reconstructed in 1968, so it is 67 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 32,000 vehicles a day, roughly 10% of them trucks, projected to reach 45,000 by 2044. The structure is 21 ft (6.3 m) long and 52 ft wide.
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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 99 W Frontage Road over Bieghle Drain built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1968.
What condition is 99 W Frontage Road over Bieghle Drain 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 August 2024.
How much traffic does 99 W Frontage Road over Bieghle Drain carry?
About 32,000 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 99 W Frontage Road over Bieghle Drain?
The structure is 21 ft (6.3 m) long with a longest span of 5 ft (1.6 m) and a deck 52 ft wide.
Who owns 99 W Frontage Road over Bieghle Drain?
It is owned by the County Highway Agency.