SR91 N/S TPK 153.7
Carrying SR91 N/S TPK 153.7 over DRAINAGE DITCH
0.51 MI NORTH OF SR-70, St. Lucie, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SR91 N/S TPK 153.7
The SR91 N/S TPK 153.7 bridge in St. Lucie, Florida carries SR91 N/S TPK 153.7 over DRAINAGE DITCH. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.6 meters (22 feet) end to end. Daily traffic averages 36,700 vehicles, placing it in the heavily-trafficked tier of Florida bridges. It is owned and maintained by State Toll Authority.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 62.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SR91 N/S TPK 153.7 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 How the historical reference is calculated.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
- 1963
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 6.6 m (22 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 36,700 vehicles/day
- Structure Number
- 940064
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 SR91 N/S TPK 153.7 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 SR91 N/S TPK 153.7 against other structures in St. Lucie 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 SR91 N/S TPK 153.7?
SR91 N/S TPK 153.7 in St. Lucie, Florida on the FHWA's 0–9 scale.
How often is SR91 N/S TPK 153.7 inspected?
SR91 N/S TPK 153.7'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 36,700 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR91 N/S TPK 153.7 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 SR91 N/S TPK 153.7?
SR91 N/S TPK 153.7 has an NBI inventory load rating of 62.4 metric tons.
Who is responsible for maintaining SR91 N/S TPK 153.7?
SR91 N/S TPK 153.7 is owned and maintained by State Toll Authority.
How old is SR91 N/S TPK 153.7 and does age affect safety?
SR91 N/S TPK 153.7 was built in 1963, making it 63 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.
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.