IRR US 89A over Jackass Creek
GoodCoconino County, Arizona · 6.4 MI N JCT US 89 · Structure no. 00112
- Built
- 1934
- 91 years old, rebuilt 1989
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 1,463
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US 89A over Jackass Creek is a steel stringer/multi-beam or girder carrying IRR US 89A over Jackass Creek in Coconino County, Arizona. It was built in 1934 and reconstructed in 1989, so it is 91 years old, older 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 1,463 vehicles a day, roughly 7% of them trucks, projected to reach 1,473 by 2041. The structure is 34 ft (10.4 m) long and 47 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 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 IRR US 89A over Jackass Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1989.
What condition is IRR US 89A over Jackass Creek 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 July 2023.
How much traffic does IRR US 89A over Jackass Creek carry?
About 1,463 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is IRR US 89A over Jackass Creek?
The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 47 ft wide.
Who owns IRR US 89A over Jackass Creek?
It is owned by the State Highway Agency.