Proving Ground RD over I 40
FairMohave County, Arizona · 16.4 MI East JCT SR 95 · Structure no. 00923
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 249 ft
- 4 main spans
- Daily traffic
- 329
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Proving Ground RD over I 40 is a steel continuous stringer/multi-beam or girder carrying Proving Ground RD over I 40 in Mohave County, Arizona. It was built in 1966, so it is 59 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 329 vehicles a day, roughly 15% of them trucks, projected to reach 339 by 2042. The structure is 249 ft (75.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Proving Ground RD over I 40 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Proving Ground RD over I 40 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 Proving Ground RD over I 40 carry?
About 329 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is Proving Ground RD over I 40?
The structure is 249 ft (75.9 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.
Who owns Proving Ground RD over I 40?
It is owned by the State Highway Agency.