Austin Road over State Route 99
FairSan Joaquin County, California · 10-SJ-099-4.89 · Structure no. 29 0129
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 282 ft
- 2 main spans
- Daily traffic
- 2,190
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Austin Road over State Route 99 is a concrete continuous box beam or girders - multiple carrying Austin Road over State Route 99 in San Joaquin County, California. It was built in 1954, so it is 71 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 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 2,190 vehicles a day, roughly 1% of them trucks, projected to reach 2,856 by 2046. The structure is 282 ft (86 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Austin Road over State Route 99 built?
It was built in 1954, making it 71 years old in 2025.
What condition is Austin Road over State Route 99 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 October 2024.
How much traffic does Austin Road over State Route 99 carry?
About 2,190 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is Austin Road over State Route 99?
The structure is 282 ft (86 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.
Who owns Austin Road over State Route 99?
It is owned by the State Highway Agency.