MID PRONG ST MARYS
Carrying MID PRONG ST MARYS over MID PRONG ST MARYS RV
NATIONAL FOREST, Baker, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MID PRONG ST MARYS
The MID PRONG ST MARYS bridge in Baker, Florida carries MID PRONG ST MARYS over MID PRONG ST MARYS RV. It was built in 1979, making it 47 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 45.7 meters (150 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of Florida bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 41.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MID PRONG ST MARYS 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 How the historical reference is calculated.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
- 1979
- Material
- Concrete
- Number of Spans
- 5
- Structure Length
- 45.7 m (150 ft)
- Deck Width
- 4.3 m (14 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 20 vehicles/day
- Structure Number
- 080504000012190
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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) rates fair at 6/9, minor deterioration that routine maintenance should address.
How to read this record
This page shows what the last federal inspection recorded, not whether MID PRONG ST MARYS 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 MID PRONG ST MARYS against other structures in Baker 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 MID PRONG ST MARYS?
MID PRONG ST MARYS in Baker, Florida has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is MID PRONG ST MARYS inspected?
MID PRONG ST MARYS'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 20 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MID PRONG ST MARYS 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 MID PRONG ST MARYS?
MID PRONG ST MARYS has an NBI inventory load rating of 41.8 metric tons.
Who is responsible for maintaining MID PRONG ST MARYS?
MID PRONG ST MARYS is owned and maintained by U.S. Forest Service.
How old is MID PRONG ST MARYS and does age affect safety?
MID PRONG ST MARYS was built in 1979, making it 47 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.