HARBOR AVE SW
Carrying HARBOR AVE SW over SW Avalon Way & Railroad
SW Spokane St & Harbor Av, King, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HARBOR AVE SW
The HARBOR AVE SW bridge in King, Washington carries HARBOR AVE SW over SW Avalon Way & Railroad. It was built in 2001, making it 25 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 85.3 meters (280 feet) end to end. Daily traffic averages 1,100 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. 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 HARBOR AVE SW 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 How the historical reference is calculated.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
- 2001
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 85.3 m (280 ft)
- Deck Width
- 8.2 m (27 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 1,100 vehicles/day
- Structure Number
- 086868000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether HARBOR AVE SW 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 HARBOR AVE SW against other structures in King 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 HARBOR AVE SW?
HARBOR AVE SW in King, Washington has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is HARBOR AVE SW inspected?
HARBOR AVE SW'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 1,100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HARBOR AVE SW 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 HARBOR AVE SW?
HARBOR AVE SW has an NBI inventory load rating of 15.9 metric tons.
Who is responsible for maintaining HARBOR AVE SW?
HARBOR AVE SW is owned and maintained by City/Municipal Highway Agency.
How old is HARBOR AVE SW and does age affect safety?
HARBOR AVE SW was built in 2001, making it 25 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.