WB SR 990 Off Ramp
Carrying WB SR 990 Off Ramp over CSX Railroad
Ramp to SW 107th Avenue, Miami-Dade, Florida
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
WB SR 990 Off Ramp in Miami-Dade, Florida sits above 24% of rated Florida bridges on inventory load rating (31 t), while its 2011 build year is earlier than 13% of Miami-Dade's recorded-year cohort (1,057 bridges).
WB SR 990 Off Ramp in Miami-Dade, Florida is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2011, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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:871034
POST-2000 · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard 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: WB SR 990 Off Ramp
The WB SR 990 Off Ramp bridge in Miami-Dade, Florida carries WB SR 990 Off Ramp over CSX Railroad. It was built in 2011, making it 15 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 37.0 meters (121 feet) end to end. Daily traffic averages 4,800 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by State Toll Authority.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 9/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How WB SR 990 Off Ramp compares
Age against the county: built in 2011, earlier than 138 of Miami-Dade's 1,057 bridges with a recorded construction year (13%), 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).
WB SR 990 Off Ramp vs every rated Florida bridge
Inventory load rating (metric tons), FHWA NBI, this state
31 Top 76% higher than 24% 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
- 2011
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 37.0 m (121 ft)
- Deck Width
- 17.2 m (56 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 4,800 vehicles/day
- Structure Number
- 871034
Condition Analysis
- • At 8/9, 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 (8/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 9/9, with no significant deterioration on file.
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 WB SR 990 Off Ramp 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 WB SR 990 Off Ramp 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 WB SR 990 Off Ramp?
WB SR 990 Off Ramp in Miami-Dade, Florida has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.
How often is WB SR 990 Off Ramp inspected?
WB SR 990 Off Ramp'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 4,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WB SR 990 Off Ramp 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 WB SR 990 Off Ramp?
WB SR 990 Off Ramp has an NBI inventory load rating of 31.0 metric tons.
Who is responsible for maintaining WB SR 990 Off Ramp?
WB SR 990 Off Ramp is owned and maintained by State Toll Authority.
How old is WB SR 990 Off Ramp and does age affect safety?
WB SR 990 Off Ramp was built in 2011, making it 15 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.