I-40 WB over Rock Creek
FairMohave County, Arizona · 18.1 MI E JCT SR 95 · Structure no. 00901
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 130 ft
- 4 main spans
- Daily traffic
- 7,891
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-40 WB over Rock Creek is a concrete continuous slab carrying I-40 WB over Rock Creek 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 7,891 vehicles a day, roughly 40% of them trucks, projected to reach 7,901 by 2042. The structure is 130 ft (39.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-40 WB over Rock Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is I-40 WB over Rock Creek 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 May 2024.
How much traffic does I-40 WB over Rock Creek carry?
About 7,891 vehicles per day (2022 count), of which roughly 40% are trucks.
How long is I-40 WB over Rock Creek?
The structure is 130 ft (39.6 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.
Who owns I-40 WB over Rock Creek?
It is owned by the State Highway Agency.