Tracy Boulevard over Middle River
FairSan Joaquin County, California · 2 MI South of S.H. 4 · Structure no. 29C0073
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 467 ft
- 7 main spans
- Daily traffic
- 1,347
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Tracy Boulevard over Middle River is a prestressed concrete continuous stringer/multi-beam or girder carrying Tracy Boulevard over Middle River in San Joaquin County, California. It was built in 1977, so it is 48 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 1,347 vehicles a day, roughly 10% of them trucks, projected to reach 1,647 by 2044. The structure is 467 ft (142.2 m) long and 33 ft wide. If it were closed, the detour would be 28 mi (45 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Tracy Boulevard over Middle River built?
It was built in 1977, making it 48 years old in 2025.
What condition is Tracy Boulevard over Middle 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 September 2024.
How much traffic does Tracy Boulevard over Middle River carry?
About 1,347 vehicles per day (2013 count), of which roughly 10% are trucks.
How long is Tracy Boulevard over Middle River?
The structure is 467 ft (142.2 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.
Who owns Tracy Boulevard over Middle River?
It is owned by the County Highway Agency.