FHWA NBI 2024 Inspection record Public-domain dataset

SW 168th Street

Carrying SW 168th Street over Canal L-31 N

130Ft. E of SW 197th Ave, Miami-Dade, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: SW 168th Street

The SW 168th Street bridge in Miami-Dade, Florida carries SW 168th Street over Canal L-31 N. It was built in 1979, making it 47 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 825 vehicles, placing it in the lower-traffic tier of Florida bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 22.7 metric tons.

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

How SW 168th Street compares

▼ 16.2
Load rating vs Florida average (38.9 t)
Bottom 10%
Lower load rating than 90% of Florida bridges
1,058
Bridges in Miami-Dade · 48 in Poor condition
SW 168th Street 22.7 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
48.2 / 100 - historical 20–49.9 band
Structural adequacy /55
20.2
Serviceability /30
15.9
Essentiality /15
14.2
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1979
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
12.2 m (40 ft)
Owner
County Highway Agency
Avg Daily Traffic
825 vehicles/day
Structure Number
874003

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

SW 168th Street 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 168th 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 SW 168th Street?

SW 168th Street in Miami-Dade, Florida has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SW 168th Street inspected?

SW 168th 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 825 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SW 168th Street 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 168th Street?

SW 168th Street has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining SW 168th Street?

SW 168th Street is owned and maintained by County Highway Agency.

How old is SW 168th Street and does age affect safety?

SW 168th Street was built in 1979, making it 47 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.

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.