IRR BIA RTE 21 over Lateral No 90
PoorPosted for loadLa Paz County, Arizona · 2.9 KM N of BIA 21/30 JCT · Structure no. 00000000000H025
- Built
- 1969
- 56 years old
- Condition
- Poor
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 27
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 21 over Lateral No 90 is a concrete continuous slab carrying IRR BIA RTE 21 over Lateral No 90 in La Paz County, Arizona. It was built in 1969, so it is 56 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 27 vehicles a day, roughly 20% of them trucks, projected to reach 40 by 2044. The structure is 75 ft (22.8 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 21 over Lateral No 90 built?
It was built in 1969, making it 56 years old in 2025.
What condition is IRR BIA RTE 21 over Lateral No 90 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.
How much traffic does IRR BIA RTE 21 over Lateral No 90 carry?
About 27 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is IRR BIA RTE 21 over Lateral No 90?
The structure is 75 ft (22.8 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.
Who owns IRR BIA RTE 21 over Lateral No 90?
It is owned by the Bureau of Indian Affairs.