FHWA NBI 2024 Inspection record Public-domain dataset

SAUK PRAIRIE RD

Carrying SAUK PRAIRIE RD over SAUK RIVER

0.7 NE JCT SR 530, Snohomish, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
34 t Inventory load rating

Bridge Snapshot: SAUK PRAIRIE RD

The SAUK PRAIRIE RD bridge in Snohomish, Washington carries SAUK PRAIRIE RD over SAUK RIVER. It was built in 2008, making it 18 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 143.9 meters (472 feet) end to end. Daily traffic averages 801 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.6 metric tons.

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

How SAUK PRAIRIE RD compares

▲ 0.1
Load rating vs Washington average (33.5 t)
Top 41%
Higher load rating than 59% of Washington bridges
516
Bridges in Snohomish · 19 in Poor condition
SAUK PRAIRIE RD 33.6 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
84.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
9.0
Special reductions
−10.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2008
Material
Steel Continuous
Number of Spans
2
Structure Length
143.9 m (472 ft)
Deck Width
12.6 m (41 ft)
Owner
County Highway Agency
Avg Daily Traffic
801 vehicles/day
Structure Number
088041000000000

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SAUK PRAIRIE 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 SAUK PRAIRIE RD 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 SAUK PRAIRIE RD?

SAUK PRAIRIE RD in Snohomish, Washington has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SAUK PRAIRIE RD inspected?

SAUK PRAIRIE 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 801 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SAUK PRAIRIE RD 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 SAUK PRAIRIE RD?

SAUK PRAIRIE RD has an NBI inventory load rating of 33.6 metric tons.

Who is responsible for maintaining SAUK PRAIRIE RD?

SAUK PRAIRIE RD is owned and maintained by County Highway Agency.

How old is SAUK PRAIRIE RD and does age affect safety?

SAUK PRAIRIE RD was built in 2008, making it 18 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.