SW 42nd Avenue
Carrying SW 42nd Avenue over Coral Gables Canal
N Edge of Cocoplum Circle, Miami-Dade, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SW 42nd Avenue
The SW 42nd Avenue bridge in Miami-Dade, Florida carries SW 42nd Avenue over Coral Gables Canal. It was built in 1943, making it 83 years old today. The structure is built primarily of steel and spans 3 sections, stretching 40.0 meters (131 feet) end to end. Daily traffic averages 34,503 vehicles, placing it in the heavily-trafficked tier of Florida bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 7.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SW 42nd Avenue compares
Live comparison across Florida.
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 How the historical reference is calculated.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
- 1943
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 40.0 m (131 ft)
- Deck Width
- 10.7 m (35 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 34,503 vehicles/day
- Structure Number
- 874275
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
SW 42nd Avenue is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare SW 42nd Avenue 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 SW 42nd Avenue?
SW 42nd Avenue in Miami-Dade, Florida has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is SW 42nd Avenue inspected?
SW 42nd Avenue'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 34,503 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SW 42nd Avenue is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SW 42nd Avenue?
SW 42nd Avenue has an NBI inventory load rating of 7.6 metric tons.
Who is responsible for maintaining SW 42nd Avenue?
SW 42nd Avenue is owned and maintained by County Highway Agency.
How old is SW 42nd Avenue and does age affect safety?
SW 42nd Avenue was built in 1943, making it 83 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.