IRR BIA RTE 8 over Amargo Wash
PoorRio Arriba County, New Mexico · South Side of Dulce Nm · Structure no. 00000000000M314
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 103 ft
- 1 main span
- Daily traffic
- 1,000
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 8 over Amargo Wash is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 8 over Amargo Wash in Rio Arriba County, New Mexico. It was built in 1976, so it is 49 years old, younger than the New Mexico average of 51.5 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.
It carries about 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,170 by 2043. The structure is 103 ft (31.4 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 8 over Amargo Wash built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA RTE 8 over Amargo Wash 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 March 2023.
How much traffic does IRR BIA RTE 8 over Amargo Wash carry?
About 1,000 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 8 over Amargo Wash?
The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.
Who owns IRR BIA RTE 8 over Amargo Wash?
It is owned by the Bureau of Indian Affairs.