Cyn Mouth Dam RD over I 40 WB
FairYavapai County, Arizona · 45.9 MI E JCT US 93 · Structure no. 01257
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 102 ft
- 1 main span
- Daily traffic
- 110
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Cyn Mouth Dam RD over I 40 WB is a steel stringer/multi-beam or girder carrying Cyn Mouth Dam RD over I 40 WB in Yavapai County, Arizona. It was built in 1968, so it is 57 years old, older 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 110 vehicles a day, projected to reach 120 by 2040. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cyn Mouth Dam RD over I 40 WB built?
It was built in 1968, making it 57 years old in 2025.
What condition is Cyn Mouth Dam RD over I 40 WB 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 August 2024.
How much traffic does Cyn Mouth Dam RD over I 40 WB carry?
About 110 vehicles per day (2020 count).
How long is Cyn Mouth Dam RD over I 40 WB?
The structure is 102 ft (31.1 m) long with a longest span of 98 ft (29.9 m) and a deck 31 ft wide.
Who owns Cyn Mouth Dam RD over I 40 WB?
It is owned by the State Highway Agency.