Structure 18670A0000000 · Pierce County, WA

N-n Ramp To SR 167 over Ramp To I-5 NB

Carries N-n Ramp To SR 167 over Ramp To I-5 NB, 0.1 N Jct SR 167.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT820 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

820 ft end to end, longest span 235 ft: about 2.3 football fields. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built201610 years old
Length819.9 ft249.9 m
Daily traffic12,919counted 2019
Last inspectedFebruary 2023every 24 months

Location

StateWashington
CountyPierce
Location0.1 N Jct SR 167
CarriesN-n Ramp To SR 167
CrossesRamp To I-5 NB
Coordinates47.23907, -122.40739

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length819.9 ft (249.9 m)
Max Span234.9 ft (71.6 m)
Deck Width29.5 ft (9 m)
Deck Area2249.1 sq m
Main Spans4
Year Built2016

Traffic

Avg Daily Traffic12,919 (2019)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number0018670A0000000

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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