179TH AV SE
Carrying 179TH AV SE over PEDESTRIAN TUNNEL
0.1 N JCT SR2, Snohomish, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 179TH AV SE
The 179TH AV SE bridge in Snohomish, Washington carries 179TH AV SE over PEDESTRIAN TUNNEL. It was built in 1985, making it 41 years old today. The structure is built primarily of aluminum/iron and spans 2 sections, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 3,540 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 72.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 179TH AV SE 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 How the historical reference is calculated.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
- 1985
- Material
- Aluminum/Iron
- Number of Spans
- 2
- Structure Length
- 15.5 m (51 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 3,540 vehicles/day
- Structure Number
- 086356000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether 179TH AV SE 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 179TH AV SE against other structures in Snohomish 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 179TH AV SE?
179TH AV SE in Snohomish, Washington on the FHWA's 0–9 scale.
How often is 179TH AV SE inspected?
179TH AV SE'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 3,540 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 179TH AV SE 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 179TH AV SE?
179TH AV SE has an NBI inventory load rating of 72.6 metric tons.
Who is responsible for maintaining 179TH AV SE?
179TH AV SE is owned and maintained by County Highway Agency.
How old is 179TH AV SE and does age affect safety?
179TH AV SE was built in 1985, making it 41 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.
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.