I-25 NBL/SBL/FRTG
Carrying I-25 NBL/SBL/FRTG over UNNAMED WATERWAY
13.3 MI N OF SANTA FE C/L, San Miguel, New Mexico
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
I-25 NBL/SBL/FRTG in San Miguel, New Mexico sits above 29% of rated New Mexico bridges on inventory load rating (32 t), while its 1966 build year is earlier than 58% of San Miguel's recorded-year cohort (175 bridges).
I-25 NBL/SBL/FRTG in San Miguel, New Mexico is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure NM:000000000006722
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: I-25 NBL/SBL/FRTG
The I-25 NBL/SBL/FRTG bridge in San Miguel, New Mexico carries I-25 NBL/SBL/FRTG over UNNAMED WATERWAY. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 9,224 vehicles, placing it in the moderately-trafficked tier of New Mexico bridges. It is owned and maintained by State Highway Agency.
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.
How I-25 NBL/SBL/FRTG compares
Age against the county: built in 1966, earlier than 102 of San Miguel's 175 bridges with a recorded construction year (58%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across New Mexico bridges with a recorded inventory load rating (4,030 of 4,035 rated).
I-25 NBL/SBL/FRTG vs every rated New Mexico bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 71% higher than 29% of 4,030 bridges
rated New Mexico bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
San Miguel inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 175 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1966
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 6.4 m (21 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 9,224 vehicles/day
- Structure Number
- 000000000006722
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 I-25 NBL/SBL/FRTG 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 I-25 NBL/SBL/FRTG against other structures in San Miguel 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 I-25 NBL/SBL/FRTG?
I-25 NBL/SBL/FRTG in San Miguel, New Mexico on the FHWA's 0–9 scale.
How often is I-25 NBL/SBL/FRTG inspected?
I-25 NBL/SBL/FRTG'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 9,224 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I-25 NBL/SBL/FRTG 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 I-25 NBL/SBL/FRTG?
I-25 NBL/SBL/FRTG has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining I-25 NBL/SBL/FRTG?
I-25 NBL/SBL/FRTG is owned and maintained by State Highway Agency.
How old is I-25 NBL/SBL/FRTG and does age affect safety?
I-25 NBL/SBL/FRTG was built in 1966, making it 60 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.