FHWA NBI 2024 Inspection record Public-domain dataset

BLUE CANYON ROAD

Carrying BLUE CANYON ROAD over BUTTE CREEK

GOOSENEST, Siskiyou, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair

BLUE CANYON ROAD in Siskiyou, California is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1969, it carries 3 rated components 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 CA:050557000001044

INTERSTATE-ERA · TIMBER · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · LOAD-UNK · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • LOAD-UNK Load unrated
  • 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: BLUE CANYON ROAD

The BLUE CANYON ROAD bridge in Siskiyou, California carries BLUE CANYON ROAD over BUTTE CREEK. It was built in 1969, making it 57 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 11.2 meters (37 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How BLUE CANYON ROAD compares

421
Bridges in Siskiyou · 23 in Poor condition

Age against the county: built in 1969, earlier than 206 of Siskiyou's 421 bridges with a recorded construction year (49%), against a county median build year of 1969.

Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
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.

Siskiyou inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 421 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
1969
Material
Wood or Timber
Number of Spans
1
Structure Length
11.2 m (37 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
050557000001044

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether BLUE CANYON 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 BLUE CANYON ROAD against other structures in Siskiyou and across California. California 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 BLUE CANYON ROAD?

BLUE CANYON ROAD in Siskiyou, California has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is BLUE CANYON ROAD inspected?

BLUE CANYON 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. BLUE CANYON 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 BLUE CANYON ROAD?

An inventory load rating is not recorded for BLUE CANYON ROAD.

Who is responsible for maintaining BLUE CANYON ROAD?

BLUE CANYON ROAD is owned and maintained by U.S. Forest Service.

How old is BLUE CANYON ROAD and does age affect safety?

BLUE CANYON ROAD was built in 1969, making it 57 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

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.

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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.