US 191 over Union Canal
GoodGraham County, Arizona · 0.4 MI S JCT US 70 · Structure no. 05182
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 9,321
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 191 over Union Canal is a concrete continuous culvert carrying US 191 over Union Canal in Graham County, Arizona. It was built in 1958, so it is 67 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 9,321 vehicles a day, roughly 13% of them trucks, projected to reach 9,331 by 2042. The structure is 24 ft (7.3 m) long and 80 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 191 over Union Canal built?
It was built in 1958, making it 67 years old in 2025.
What condition is US 191 over Union Canal 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 December 2023.
How much traffic does US 191 over Union Canal carry?
About 9,321 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is US 191 over Union Canal?
The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 80 ft wide.
Who owns US 191 over Union Canal?
It is owned by the State Highway Agency.