FHWA NBI 2024 Inspection record Public-domain dataset

NW 121st St. Way

Carrying NW 121st St. Way over Miami Canal

50Ft. W of Okeechobee Rd., Miami-Dade, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: NW 121st St. Way

The NW 121st St. Way bridge in Miami-Dade, Florida carries NW 121st St. Way over Miami Canal. It was built in 1970, making it 56 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 3,121 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 33.3 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How NW 121st St. Way compares

▼ 5.6
Load rating vs Florida average (38.9 t)
Bottom 37%
Lower load rating than 63% of Florida bridges
1,058
Bridges in Miami-Dade · 48 in Poor condition
NW 121st St. Way 33.3 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
85.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.0
Essentiality /15
14.8
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
33.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Last Reconstructed
1994
Material
Concrete
Number of Spans
3
Structure Length
34.7 m (114 ft)
Deck Width
22.8 m (75 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
3,121 vehicles/day
Structure Number
876300

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether NW 121st St. Way 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 NW 121st St. Way against other structures in Miami-Dade and across Florida. Florida 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 NW 121st St. Way?

NW 121st St. Way in Miami-Dade, Florida has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NW 121st St. Way inspected?

NW 121st St. Way'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 3,121 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NW 121st St. Way is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NW 121st St. Way?

NW 121st St. Way has an NBI inventory load rating of 33.3 metric tons.

Who is responsible for maintaining NW 121st St. Way?

NW 121st St. Way is owned and maintained by City/Municipal Highway Agency.

How old is NW 121st St. Way and does age affect safety?

NW 121st St. Way was built in 1970, making it 56 years old and last reconstructed in 1994.

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

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.