IRR BIA RTE 23 over Colorado River
FairMohave County, Arizona · 3.65 KM West of Ft Mojave · Structure no. 0000H51604B0047
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 555 ft
- 4 main spans
- Daily traffic
- 1,500
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 23 over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 23 over Colorado River in Mohave County, Arizona. It was built in 1994, so it is 31 years old, younger 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 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2044. The structure is 555 ft (169.1 m) long and 35 ft wide. If it were closed, the detour would be 29.2 mi (47 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 | 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 IRR BIA RTE 23 over Colorado River built?
It was built in 1994, making it 31 years old in 2025.
What condition is IRR BIA RTE 23 over Colorado River 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 February 2024.
How much traffic does IRR BIA RTE 23 over Colorado River carry?
About 1,500 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 23 over Colorado River?
The structure is 555 ft (169.1 m) long with a longest span of 139 ft (42.3 m) and a deck 35 ft wide.
Who owns IRR BIA RTE 23 over Colorado River?
It is owned by the Bureau of Indian Affairs.