CR107 BLACKROCK RD
Carrying CR107 BLACKROCK RD over LANCEFORD CREEK
0.9 MI NORTH OF SR 200, Nassau, Florida
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CR107 BLACKROCK RD in Nassau, Florida sits above 73% of rated Florida bridges on inventory load rating (43 t), while its 2014 build year is earlier than 15% of Nassau's recorded-year cohort (104 bridges).
CR107 BLACKROCK RD in Nassau, Florida is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2014, 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:744315
POST-2000 · PRESTRESS · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- 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.
Structural health score
A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.
Bridge Snapshot: CR107 BLACKROCK RD
The CR107 BLACKROCK RD bridge in Nassau, Florida carries CR107 BLACKROCK RD over LANCEFORD CREEK. It was built in 2014, making it 12 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 13.4 meters (44 feet) end to end. Daily traffic averages 1,900 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). None of this bridge's reported major components fall into the Poor condition range.
How CR107 BLACKROCK RD compares
Age against the county: built in 2014, earlier than 16 of Nassau's 104 bridges with a recorded construction year (15%), 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).
CR107 BLACKROCK RD vs every rated Florida bridge
Inventory load rating (metric tons), FHWA NBI, this state
43 Top 27% higher than 73% 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.
Nassau inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 104 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
- 2014
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 13.4 m (44 ft)
- Deck Width
- 11.3 m (37 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,900 vehicles/day
- Structure Number
- 744315
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.
- • At 7/9, 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 CR107 BLACKROCK 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 CR107 BLACKROCK RD against other structures in Nassau 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 CR107 BLACKROCK RD?
CR107 BLACKROCK RD in Nassau, Florida has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is CR107 BLACKROCK RD inspected?
CR107 BLACKROCK 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 1,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CR107 BLACKROCK RD 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 CR107 BLACKROCK RD?
CR107 BLACKROCK RD has an NBI inventory load rating of 42.8 metric tons.
Who is responsible for maintaining CR107 BLACKROCK RD?
CR107 BLACKROCK RD is owned and maintained by County Highway Agency.
How old is CR107 BLACKROCK RD and does age affect safety?
CR107 BLACKROCK RD was built in 2014, making it 12 years old.
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.