FHWA NBI 2024 Inspection record Public-domain dataset

SR 417 SB 50.5

Carrying SR 417 SB 50.5 over AIRPORT BLVD

1.3 MI NORTH OF CR 427, Seminole, Florida

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating Higher than 78% of rated Florida bridges

SR 417 SB 50.5 in Seminole, Florida sits above 78% of rated Florida bridges on inventory load rating (45 t), while its 2002 build year is earlier than 37% of Seminole's recorded-year cohort (177 bridges).

SR 417 SB 50.5 in Seminole, Florida is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2002, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:770604

POST-2000 · STEEL · SINGLE-SPAN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: SR 417 SB 50.5

The SR 417 SB 50.5 bridge in Seminole, Florida carries SR 417 SB 50.5 over AIRPORT BLVD. It was built in 2002, making it 24 years old today. The structure is built primarily of steel and spans 1 section, stretching 54.7 meters (179 feet) end to end. Daily traffic averages 21,900 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 a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How SR 417 SB 50.5 compares

▲ 6.4
Load rating vs Florida average (38.7 t; 13,032 of 13,036 rated)
177
Bridges in Seminole · 1 in Poor condition

Age against the county: built in 2002, earlier than 66 of Seminole's 177 bridges with a recorded construction year (37%), against a county median build year of 1999. This is one of the newer structures in its county.

SR 417 SB 50.5 45.1 t
Florida average (13,032 of 13,036 rated) 38.7 t

Live comparison across Florida bridges with a recorded inventory load rating (13,032 of 13,036 rated).

SR 417 SB 50.5 vs every rated Florida bridge

Inventory load rating (metric tons), FHWA NBI, this state

45 Top 22% higher than 78% 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

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
45.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Seminole inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 177 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
2002
Material
Steel
Number of Spans
1
Structure Length
54.7 m (179 ft)
Deck Width
13.1 m (43 ft)
Owner
State Toll Authority
Avg Daily Traffic
21,900 vehicles/day
Structure Number
770604

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 SR 417 SB 50.5 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 SR 417 SB 50.5 against other structures in Seminole 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 SR 417 SB 50.5?

SR 417 SB 50.5 in Seminole, Florida has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 417 SB 50.5 inspected?

SR 417 SB 50.5'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 21,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 417 SB 50.5 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 SR 417 SB 50.5?

SR 417 SB 50.5 has an NBI inventory load rating of 45.1 metric tons.

Who is responsible for maintaining SR 417 SB 50.5?

SR 417 SB 50.5 is owned and maintained by State Toll Authority.

How old is SR 417 SB 50.5 and does age affect safety?

SR 417 SB 50.5 was built in 2002, making it 24 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.