Downing-Olson DR over Drain Channel
FairMaricopa County, Arizona · 0.15 MI E of Pima RD · Structure no. 07535
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 97 ft
- 2 main spans
- Daily traffic
- 1,010
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Downing-Olson DR over Drain Channel is a prestressed concrete box beam or girders - multiple carrying Downing-Olson DR over Drain Channel in Maricopa County, Arizona. It was built in 1988, so it is 37 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 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 1,010 vehicles a day, roughly 1% of them trucks, projected to reach 1,020 by 2042. The structure is 97 ft (29.6 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 Downing-Olson DR over Drain Channel built?
It was built in 1988, making it 37 years old in 2025.
What condition is Downing-Olson DR over Drain Channel 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 February 2024.
How much traffic does Downing-Olson DR over Drain Channel carry?
About 1,010 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Downing-Olson DR over Drain Channel?
The structure is 97 ft (29.6 m) long with a longest span of 49 ft (14.9 m) and a deck 52 ft wide.
Who owns Downing-Olson DR over Drain Channel?
It is owned by the City or Municipal Highway Agency.