IRR BIA RTE 4 over Zuni River
GoodMcKinley County, New Mexico · .5 KM No. JCT HWY 53 & 4 · Structure no. 00000000000M413
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 3,000
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 4 over Zuni River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 4 over Zuni River in McKinley 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,510 by 2043. The structure is 182 ft (55.5 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 4 over Zuni River built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA RTE 4 over Zuni River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does IRR BIA RTE 4 over Zuni River carry?
About 3,000 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is IRR BIA RTE 4 over Zuni River?
The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.
Who owns IRR BIA RTE 4 over Zuni River?
It is owned by the Bureau of Indian Affairs.