Harney Lane over State Route 99
GoodSan Joaquin County, California · 10-SJ-099-28.48 · Structure no. 29 0105
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 231 ft
- 2 main spans
- Daily traffic
- 7,500
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Harney Lane over State Route 99 is a prestressed concrete continuous stringer/multi-beam or girder carrying Harney Lane over State Route 99 in San Joaquin County, California. It was built in 1964, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,500 vehicles a day, roughly 10% of them trucks, projected to reach 10,011 by 2042. The structure is 231 ft (70.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harney Lane over State Route 99 built?
It was built in 1964, making it 61 years old in 2025.
What condition is Harney Lane over State Route 99 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Harney Lane over State Route 99 carry?
About 7,500 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Harney Lane over State Route 99?
The structure is 231 ft (70.4 m) long with a longest span of 79 ft (24.1 m) and a deck 39 ft wide.
Who owns Harney Lane over State Route 99?
It is owned by the State Highway Agency.