85th Street
Carrying 85th Street over Tatum Waterway
0.2 Mile West of A1A, Miami-Dade, Florida
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
85th Street in Miami-Dade, Florida sits above 81% of rated Florida bridges on inventory load rating (47 t), while its 1989 build year is earlier than 32% of Miami-Dade's recorded-year cohort (1,057 bridges).
85th Street in Miami-Dade, Florida is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1989, 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 FL:876735
LATE-CENTURY · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- LONG-SPAN-RUN 7 spans
- 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: 85th Street
The 85th Street bridge in Miami-Dade, Florida carries 85th Street over Tatum Waterway. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete continuous and spans 7 sections, stretching 68.6 meters (225 feet) end to end. Daily traffic averages 7,674 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 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How 85th Street compares
Age against the county: built in 1989, earlier than 340 of Miami-Dade's 1,057 bridges with a recorded construction year (32%), against a county median build year of 1973. This is one of the newer structures in its county.
Live comparison across Florida bridges with a recorded inventory load rating (13,032 of 13,036 rated).
85th Street vs every rated Florida bridge
Inventory load rating (metric tons), FHWA NBI, this state
47 Top 19% higher than 81% of 13,032 bridges
rated Florida 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.
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.
Miami-Dade inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,057 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
- 1989
- Material
- Concrete Continuous
- Number of Spans
- 7
- Structure Length
- 68.6 m (225 ft)
- Deck Width
- 12.1 m (40 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 7,674 vehicles/day
- Structure Number
- 876735
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
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 85th Street 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 85th Street 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 85th Street?
85th Street in Miami-Dade, Florida has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is 85th Street inspected?
85th Street'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 7,674 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 85th Street 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 85th Street?
85th Street has an NBI inventory load rating of 47.0 metric tons.
Who is responsible for maintaining 85th Street?
85th Street is owned and maintained by City/Municipal Highway Agency.
How old is 85th Street and does age affect safety?
85th Street was built in 1989, making it 37 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.