Structure 89525000000000 · King County, WA

NE Spring BLVD over Stormwater Facility

Carries NE Spring BLVD over Stormwater Facility, 0.25 E Of HWY 405.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 72 ft across. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built20188 years old
Length71.9 ft21.9 m
Daily traffic2,206counted 2022
Last inspectedJune 2024every 24 months

Location

StateWashington
CountyKing
Location0.25 E Of HWY 405
CarriesNE Spring BLVD
CrossesStormwater Facility
Coordinates47.62264, -122.18339

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length71.9 ft (21.9 m)
Max Span69.9 ft (21.3 m)
Deck Area354.8 sq m
Main Spans1
Year Built2018

Traffic

Avg Daily Traffic2,206 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number089525000000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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