FHWA NBI 2024 Inspection record Public-domain dataset

CR-76A

Carrying CR-76A over ST LUCIE CANAL

1.5 Mile West of SR-76, Martin, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
30 t Inventory load rating

Bridge Snapshot: CR-76A

The CR-76A bridge in Martin, Florida carries CR-76A over ST LUCIE CANAL. It was built in 1980, making it 46 years old today. The structure is built primarily of prestressed concrete and spans 7 sections, stretching 220.4 meters (723 feet) end to end. Daily traffic averages 3,100 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 29.8 metric tons.

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

How CR-76A compares

▼ 9.1
Load rating vs Florida average (38.9 t)
Bottom 25%
Lower load rating than 75% of Florida bridges
129
Bridges in Martin · 1 in Poor condition
CR-76A 29.8 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
93.9 / 100 - historical 80–100 band
Structural adequacy /55
53.6
Serviceability /30
29.0
Essentiality /15
12.3
Special reductions
−1.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1980
Material
Prestressed Concrete
Number of Spans
7
Structure Length
220.4 m (723 ft)
Deck Width
12.8 m (42 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,100 vehicles/day
Structure Number
890093

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CR-76A 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 CR-76A against other structures in Martin 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-76A?

CR-76A in Martin, Florida has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CR-76A inspected?

CR-76A'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 3,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR-76A 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 CR-76A?

CR-76A has an NBI inventory load rating of 29.8 metric tons.

Who is responsible for maintaining CR-76A?

CR-76A is owned and maintained by County Highway Agency.

How old is CR-76A and does age affect safety?

CR-76A was built in 1980, making it 46 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.