Surro Ave
Carrying Surro Ave over CSO Detention Tank
Surro Ave, Spokane, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Surro Ave
The Surro Ave bridge in Spokane, Washington carries Surro Ave over CSO Detention Tank. It was built in 2009, making it 17 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 27.1 meters (89 feet) end to end. Daily traffic averages 32 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by Local Park/Forest/Reservation.
The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 44.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Surro Ave 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 How the historical reference is calculated.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
- 2009
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 27.1 m (89 ft)
- Deck Width
- 6.4 m (21 ft)
- Owner
- Local Park/Forest/Reservation
- Avg Daily Traffic
- 32 vehicles/day
- Structure Number
- 088799000000000
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 Surro Ave 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 Surro Ave against other structures in Spokane 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 Surro Ave?
Surro Ave in Spokane, Washington on the FHWA's 0–9 scale.
How often is Surro Ave inspected?
Surro Ave'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 32 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Surro Ave 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 Surro Ave?
Surro Ave has an NBI inventory load rating of 44.7 metric tons.
Who is responsible for maintaining Surro Ave?
Surro Ave is owned and maintained by Local Park/Forest/Reservation.
How old is Surro Ave and does age affect safety?
Surro Ave was built in 2009, making it 17 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.