FHWA NBI 2024 Inspection record Public-domain dataset

RD. NO. 49

Carrying RD. NO. 49 over LOST CREEK

M.P. 4.5 RD. NO. 49, Snohomish, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: RD. NO. 49

The RD. NO. 49 bridge in Snohomish, Washington carries RD. NO. 49 over LOST CREEK. It was built in 1959, making it 67 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 11.2 meters (37 feet) end to end. Daily traffic averages 37 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 31.8 metric tons.

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

How RD. NO. 49 compares

▼ 1.7
Load rating vs Washington average (33.5 t)
Top 48%
Higher load rating than 52% of Washington bridges
516
Bridges in Snohomish · 19 in Poor condition
RD. NO. 49 31.8 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
48.4 / 100 - historical 20–49.9 band
Structural adequacy /55
29.8
Serviceability /30
12.0
Essentiality /15
14.4
Special reductions
−7.9

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
31.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1959
Material
Wood or Timber
Number of Spans
1
Structure Length
11.2 m (37 ft)
Deck Width
4.8 m (16 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
37 vehicles/day
Structure Number
060502000001400

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • 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 poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

RD. NO. 49 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 RD. NO. 49 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 RD. NO. 49?

RD. NO. 49 in Snohomish, Washington has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is RD. NO. 49 inspected?

RD. NO. 49'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 37 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RD. NO. 49 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 RD. NO. 49?

RD. NO. 49 has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining RD. NO. 49?

RD. NO. 49 is owned and maintained by U.S. Forest Service.

How old is RD. NO. 49 and does age affect safety?

RD. NO. 49 was built in 1959, making it 67 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.