FS Road 478
Carrying FS Road 478 over RIO CHIQUITO
0.15 mi E/O JCT FSR 437, Taos, New Mexico
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FS Road 478
The FS Road 478 bridge in Taos, New Mexico carries FS Road 478 over RIO CHIQUITO. It was built in 2021, making it 5 years old today. The structure is built primarily of aluminum/iron and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of New Mexico bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 49.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FS Road 478 compares
Live comparison across New Mexico.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2021
- Material
- Aluminum/Iron
- Number of Spans
- 1
- Structure Length
- 9.1 m (30 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 20 vehicles/day
- Structure Number
- 030204000035725
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether FS Road 478 is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare FS Road 478 against other structures in Taos and across New Mexico. New Mexico bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for FS Road 478?
FS Road 478 in Taos, New Mexico on the FHWA's 0–9 scale.
How often is FS Road 478 inspected?
FS Road 478's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 20 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FS Road 478 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for FS Road 478?
FS Road 478 has an NBI inventory load rating of 49.6 metric tons.
Who is responsible for maintaining FS Road 478?
FS Road 478 is owned and maintained by U.S. Forest Service.
How old is FS Road 478 and does age affect safety?
FS Road 478 was built in 2021, making it 5 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.