FROSTPROOF ROAD
Carrying FROSTPROOF ROAD over WILLINGHAM CREEK
2.9 MILES NORTH OF INTERS, Polk, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FROSTPROOF ROAD
The FROSTPROOF ROAD bridge in Polk, Florida carries FROSTPROOF ROAD over WILLINGHAM CREEK. It was built in 1955, making it 71 years old today. The structure is built primarily of wood or timber and spans 8 sections, stretching 35.8 meters (117 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Florida bridges. It is owned and maintained by Navy/Marine.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FROSTPROOF ROAD 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 How the historical reference is calculated.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
- 1955
- Material
- Wood or Timber
- Number of Spans
- 8
- Structure Length
- 35.8 m (117 ft)
- Deck Width
- 5.1 m (17 ft)
- Owner
- Navy/Marine
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- AFFLASPR01091
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether FROSTPROOF ROAD 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 FROSTPROOF ROAD against other structures in Polk 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 FROSTPROOF ROAD?
FROSTPROOF ROAD in Polk, Florida has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is FROSTPROOF ROAD inspected?
FROSTPROOF ROAD'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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FROSTPROOF ROAD 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 FROSTPROOF ROAD?
FROSTPROOF ROAD has an NBI inventory load rating of 28.1 metric tons.
Who is responsible for maintaining FROSTPROOF ROAD?
FROSTPROOF ROAD is owned and maintained by Navy/Marine.
How old is FROSTPROOF ROAD and does age affect safety?
FROSTPROOF ROAD was built in 1955, making it 71 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.