KNIGHTS GRIFFIN RD
Carrying KNIGHTS GRIFFIN RD over SQUEEZE CREEK
3.1MI EAST OF SR-39, Hillsborough, Florida
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
KNIGHTS GRIFFIN RD in Hillsborough, Florida sits above 11% of rated Florida bridges on inventory load rating (25 t), while its 1973 build year is earlier than 71% of Hillsborough's recorded-year cohort (840 bridges).
KNIGHTS GRIFFIN RD in Hillsborough, Florida is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1973, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:100289
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: KNIGHTS GRIFFIN RD
The KNIGHTS GRIFFIN RD bridge in Hillsborough, Florida carries KNIGHTS GRIFFIN RD over SQUEEZE CREEK. It was built in 1973, making it 53 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 6,900 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How KNIGHTS GRIFFIN RD compares
Age against the county: built in 1973, earlier than 596 of Hillsborough's 840 bridges with a recorded construction year (71%), against a county median build year of 1984. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Florida bridges with a recorded inventory load rating (13,032 of 13,036 rated).
KNIGHTS GRIFFIN RD vs every rated Florida bridge
Inventory load rating (metric tons), FHWA NBI, this state
25 Top 89% higher than 11% 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.
Hillsborough inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 840 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
- 1973
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 6.3 m (21 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 6,900 vehicles/day
- Structure Number
- 100289
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 KNIGHTS GRIFFIN RD 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 KNIGHTS GRIFFIN RD against other structures in Hillsborough 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 KNIGHTS GRIFFIN RD?
KNIGHTS GRIFFIN RD in Hillsborough, Florida on the FHWA's 0–9 scale.
How often is KNIGHTS GRIFFIN RD inspected?
KNIGHTS GRIFFIN RD'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 6,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. KNIGHTS GRIFFIN RD 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 KNIGHTS GRIFFIN RD?
KNIGHTS GRIFFIN RD has an NBI inventory load rating of 24.6 metric tons.
Who is responsible for maintaining KNIGHTS GRIFFIN RD?
KNIGHTS GRIFFIN RD is owned and maintained by County Highway Agency.
How old is KNIGHTS GRIFFIN RD and does age affect safety?
KNIGHTS GRIFFIN RD was built in 1973, making it 53 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.