US231 SR75
Carrying US231 SR75 over Econfina Creek
0.2 Mi. S. of Jackson C/L, Bay, Florida
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
US231 SR75 in Bay, Florida sits above 67% of rated Florida bridges on inventory load rating (41 t), while its 1951 build year is earlier than 90% of Bay's recorded-year cohort (130 bridges).
US231 SR75 in Bay, Florida is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1951, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure FL:460039
INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- LONG-SPAN-RUN 4 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: US231 SR75
The US231 SR75 bridge in Bay, Florida carries US231 SR75 over Econfina Creek. It was built in 1951, making it 75 years old today. It was last reconstructed in 1979, extending its service life. The structure is built primarily of concrete and spans 4 sections, stretching 19.1 meters (63 feet) end to end. Daily traffic averages 6,900 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How US231 SR75 compares
Age against the county: built in 1951, earlier than 117 of Bay's 130 bridges with a recorded construction year (90%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Florida bridges with a recorded inventory load rating (13,032 of 13,036 rated).
US231 SR75 vs every rated Florida bridge
Inventory load rating (metric tons), FHWA NBI, this state
41 Top 33% higher than 67% of 13,032 bridges
rated Florida bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Bay inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 130 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1951
- Last Reconstructed
- 1979
- Material
- Concrete
- Number of Spans
- 4
- Structure Length
- 19.1 m (63 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 6,900 vehicles/day
- Structure Number
- 460039
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 US231 SR75 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 US231 SR75 against other structures in Bay 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 US231 SR75?
US231 SR75 in Bay, Florida on the FHWA's 0–9 scale.
How often is US231 SR75 inspected?
US231 SR75'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 6,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US231 SR75 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 US231 SR75?
US231 SR75 has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining US231 SR75?
US231 SR75 is owned and maintained by State Highway Agency.
How old is US231 SR75 and does age affect safety?
US231 SR75 was built in 1951, making it 75 years old and last reconstructed in 1979.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.