Mill Avenue NB over Salt Rvr Rio Salado Pkw
GoodMaricopa County, Arizona · 0.2 MI S of Curry RD · Structure no. 07817
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 1,510 ft
- 10 main spans
- Daily traffic
- 9,245
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mill Avenue NB over Salt Rvr Rio Salado Pkw is a prestressed concrete continuous box beam or girders - single or spread carrying Mill Avenue NB over Salt Rvr Rio Salado Pkw in Maricopa County, Arizona. It was built in 1994, so it is 31 years old, younger than the Arizona average of 47.8 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 9,245 vehicles a day, roughly 10% of them trucks, projected to reach 9,255 by 2042. The structure is 1,510 ft (460.2 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Avenue NB over Salt Rvr Rio Salado Pkw built?
It was built in 1994, making it 31 years old in 2025.
What condition is Mill Avenue NB over Salt Rvr Rio Salado Pkw 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 September 2023.
How much traffic does Mill Avenue NB over Salt Rvr Rio Salado Pkw carry?
About 9,245 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Mill Avenue NB over Salt Rvr Rio Salado Pkw?
The structure is 1,510 ft (460.2 m) long with a longest span of 150 ft (45.7 m) and a deck 48 ft wide.
Who owns Mill Avenue NB over Salt Rvr Rio Salado Pkw?
It is owned by the City or Municipal Highway Agency.