CASCADE AVE EXT.
Carrying CASCADE AVE EXT. over KANAKA CREEK
0.1 SOUTH FIRST ST. EAST, Skamania, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CASCADE AVE EXT.
The CASCADE AVE EXT. bridge in Skamania, Washington carries CASCADE AVE EXT. over KANAKA CREEK. It was built in 1920, making it 106 years old today. It was last reconstructed in 1972, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 152 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 15.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CASCADE AVE EXT. compares
Live comparison across Washington.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1920
- Last Reconstructed
- 1972
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 9.8 m (32 ft)
- Deck Width
- 6.1 m (20 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 152 vehicles/day
- Structure Number
- 085622000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
CASCADE AVE EXT. is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare CASCADE AVE EXT. against other structures in Skamania and across Washington. Washington 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 CASCADE AVE EXT.?
CASCADE AVE EXT. in Skamania, Washington has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is CASCADE AVE EXT. inspected?
CASCADE AVE EXT.'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 152 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CASCADE AVE EXT. is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CASCADE AVE EXT.?
CASCADE AVE EXT. has an NBI inventory load rating of 15.9 metric tons.
Who is responsible for maintaining CASCADE AVE EXT.?
CASCADE AVE EXT. is owned and maintained by City/Municipal Highway Agency.
How old is CASCADE AVE EXT. and does age affect safety?
CASCADE AVE EXT. was built in 1920, making it 106 years old and last reconstructed in 1972.
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.
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.