CR 121
Carrying CR 121 over DEEP CREEK
0.9 MI NORTH OF CR 108, Nassau, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CR 121
The CR 121 bridge in Nassau, Florida carries CR 121 over DEEP CREEK. It was built in 1949, making it 77 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of concrete and spans 4 sections, stretching 15.6 meters (51 feet) end to end. Daily traffic averages 2,400 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 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 23.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CR 121 compares
Live comparison across Florida.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1949
- Last Reconstructed
- 1988
- Material
- Concrete
- Number of Spans
- 4
- Structure Length
- 15.6 m (51 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 2,400 vehicles/day
- Structure Number
- 740050
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
CR 121 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 CR 121 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 CR 121?
CR 121 in Nassau, Florida on the FHWA's 0–9 scale.
How often is CR 121 inspected?
CR 121'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 2,400 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CR 121 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 CR 121?
CR 121 has an NBI inventory load rating of 23.5 metric tons.
Who is responsible for maintaining CR 121?
CR 121 is owned and maintained by County Highway Agency.
How old is CR 121 and does age affect safety?
CR 121 was built in 1949, making it 77 years old and last reconstructed in 1988.
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.
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.