FHWA NBI 2024 Inspection record Public-domain dataset

FILION ROAD

Carrying FILION ROAD over PINNEBOG RIVER

SEC. 14-23 CHANDLER TWP., Huron, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating Lower than 84% of rated Michigan bridges

FILION ROAD in Huron, Michigan sits above 16% of rated Michigan bridges on inventory load rating (29 t), while its 1994 build year is earlier than 31% of Huron's recorded-year cohort (192 bridges).

FILION ROAD in Huron, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1994, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 MI:000000000003521

LATE-CENTURY · PRESTRESS · MULTI-SPAN · SUPER-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • SUPER-LED Superstructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard 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: FILION ROAD

The FILION ROAD bridge in Huron, Michigan carries FILION ROAD over PINNEBOG RIVER. It was built in 1994, making it 32 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 30.4 meters (100 feet) end to end. Daily traffic averages 920 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How FILION ROAD compares

▼ 12.0
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
192
Bridges in Huron · 12 in Poor condition

Age against the county: built in 1994, earlier than 59 of Huron's 192 bridges with a recorded construction year (31%), against a county median build year of 1987. This is one of the newer structures in its county.

FILION ROAD 29.2 t
Michigan average (11,366 of 11,371 rated) 41.2 t

Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).

FILION ROAD vs every rated Michigan bridge

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

29 Top 84% higher than 16% of 11,366 bridges

rated Michigan 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
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Huron inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 192 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
1994
Material
Prestressed Concrete
Number of Spans
3
Structure Length
30.4 m (100 ft)
Deck Width
11.1 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
920 vehicles/day
Structure Number
000000000003521

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 FILION 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 FILION ROAD against other structures in Huron and across Michigan. Michigan 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 FILION ROAD?

FILION ROAD in Huron, Michigan has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is FILION ROAD inspected?

FILION 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 920 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FILION 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 FILION ROAD?

FILION ROAD has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining FILION ROAD?

FILION ROAD is owned and maintained by County Highway Agency.

How old is FILION ROAD and does age affect safety?

FILION ROAD was built in 1994, making it 32 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.