FHWA NBI 2024 Inspection record Public-domain dataset

NM-228

Carrying NM-228 over EASTSIDE CANAL

0.2 MI E OF NM-478, Doña Ana, New Mexico

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
54 t Inventory load rating Higher than 98% of rated New Mexico bridges

NM-228 in Doña Ana, New Mexico sits above 98% of rated New Mexico bridges on inventory load rating (54 t), while its 1962 build year is earlier than 67% of Doña Ana's recorded-year cohort (261 bridges).

NM-228 in Doña Ana, New Mexico is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1962, it carries 3 rated components 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:000000000006273

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy 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: NM-228

The NM-228 bridge in Doña Ana, New Mexico carries NM-228 over EASTSIDE CANAL. It was built in 1962, making it 64 years old today. It was last reconstructed in 1992, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 9.9 meters (32 feet) end to end. Daily traffic averages 3,159 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How NM-228 compares

▲ 20.9
Load rating vs New Mexico average (32.7 t; 4,030 of 4,035 rated)
261
Bridges in Doña Ana · 8 in Poor condition

Age against the county: built in 1962, earlier than 175 of Doña Ana's 261 bridges with a recorded construction year (67%), against a county median build year of 1968. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

NM-228 53.6 t
New Mexico average (4,030 of 4,035 rated) 32.7 t

Live comparison across New Mexico bridges with a recorded inventory load rating (4,030 of 4,035 rated).

NM-228 vs every rated New Mexico bridge

Inventory load rating (metric tons), FHWA NBI, this state

54 Top 2% higher than 98% 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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
53.6 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Doña Ana inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 261 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
1962
Last Reconstructed
1992
Material
Concrete
Number of Spans
1
Structure Length
9.9 m (32 ft)
Deck Width
13.1 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,159 vehicles/day
Structure Number
000000000006273

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether NM-228 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 NM-228 against other structures in Doña Ana 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 NM-228?

NM-228 in Doña Ana, New Mexico has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NM-228 inspected?

NM-228'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 3,159 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. NM-228 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 NM-228?

NM-228 has an NBI inventory load rating of 53.6 metric tons.

Who is responsible for maintaining NM-228?

NM-228 is owned and maintained by State Highway Agency.

How old is NM-228 and does age affect safety?

NM-228 was built in 1962, making it 64 years old and last reconstructed in 1992.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.