Carrolton RD over Lone Tree Creek
FairSan Joaquin County, California · 0.5 MI S of Lone Tree RD · Structure no. 29C0359
- Built
- 1928
- 97 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 304
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Carrolton RD over Lone Tree Creek is a concrete continuous slab carrying Carrolton RD over Lone Tree Creek in San Joaquin County, California. It was built in 1928, so it is 97 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 304 vehicles a day, roughly 5% of them trucks, projected to reach 555 by 2046. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carrolton RD over Lone Tree Creek built?
It was built in 1928, making it 97 years old in 2025.
What condition is Carrolton RD over Lone Tree Creek 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 November 2024.
How much traffic does Carrolton RD over Lone Tree Creek carry?
About 304 vehicles per day (2013 count), of which roughly 5% are trucks.
How long is Carrolton RD over Lone Tree Creek?
The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.
Who owns Carrolton RD over Lone Tree Creek?
It is owned by the County Highway Agency.