Stone Avenue over Rillito River
FairPima County, Arizona · N Wetmore RD · Structure no. 10341
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 404 ft
- 4 main spans
- Daily traffic
- 9,855
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Stone Avenue over Rillito River is a prestressed concrete continuous stringer/multi-beam or girder carrying Stone Avenue over Rillito River in Pima County, Arizona. It was built in 1992, so it is 33 years old, younger than the Arizona average of 47.8 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 9,855 vehicles a day, roughly 10% of them trucks, projected to reach 9,865 by 2042. The structure is 404 ft (123.1 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stone Avenue over Rillito River built?
It was built in 1992, making it 33 years old in 2025.
What condition is Stone Avenue over Rillito 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 August 2023.
How much traffic does Stone Avenue over Rillito River carry?
About 9,855 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Stone Avenue over Rillito River?
The structure is 404 ft (123.1 m) long with a longest span of 102 ft (31.1 m) and a deck 94 ft wide.
Who owns Stone Avenue over Rillito River?
It is owned by the City or Municipal Highway Agency.