FHWA NBI 2024 Inspection record Public-domain dataset

CYCLONE BASIN RD

Carrying CYCLONE BASIN RD over MORAN CREEK

CYCLONE BASIN ROAD, Flathead, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: CYCLONE BASIN RD

The CYCLONE BASIN RD bridge in Flathead, Montana carries CYCLONE BASIN RD over MORAN CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 30.5 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How CYCLONE BASIN RD compares

▼ 0.2
Load rating vs Montana average (30.7 t)
Top 46%
Higher load rating than 54% of Montana bridges
195
Bridges in Flathead · 9 in Poor condition
CYCLONE BASIN RD 30.5 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
72.1 / 100 - historical 50–79.9 band
Structural adequacy /55
44.1
Serviceability /30
13.0
Essentiality /15
15.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
30.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1966
Material
Wood or Timber
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
5 vehicles/day
Structure Number
011007000000013

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether CYCLONE BASIN RD 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 CYCLONE BASIN RD against other structures in Flathead and across Montana. Montana 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 CYCLONE BASIN RD?

CYCLONE BASIN RD in Flathead, Montana has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CYCLONE BASIN RD inspected?

CYCLONE BASIN RD'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CYCLONE BASIN RD 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 CYCLONE BASIN RD?

CYCLONE BASIN RD has an NBI inventory load rating of 30.5 metric tons.

Who is responsible for maintaining CYCLONE BASIN RD?

CYCLONE BASIN RD is owned and maintained by U.S. Forest Service.

How old is CYCLONE BASIN RD and does age affect safety?

CYCLONE BASIN RD was built in 1966, making it 60 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

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.