IRR US 70 over Gila River
GoodGraham County, Arizona · 21.5 MI E JCT IRR 170 · Structure no. 02945
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,904 ft
- 15 main spans
- Daily traffic
- 2,940
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US 70 over Gila River is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR US 70 over Gila River in Graham County, Arizona. It was built in 2012, so it is 13 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 2,940 vehicles a day, roughly 25% of them trucks, projected to reach 2,950 by 2042. The structure is 1,904 ft (580.4 m) long and 54 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR US 70 over Gila River built?
It was built in 2012, making it 13 years old in 2025.
What condition is IRR US 70 over Gila River 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 IRR US 70 over Gila River carry?
About 2,940 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is IRR US 70 over Gila River?
The structure is 1,904 ft (580.4 m) long with a longest span of 127 ft (38.7 m) and a deck 54 ft wide.
Who owns IRR US 70 over Gila River?
It is owned by the State Highway Agency.