Structure 18971A0000000 · Walla Walla County, WA

SR 124 over Uprr

Carries SR 124 over Uprr, 5.3 E Jct US 12.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT150 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

150 ft end to end: about 2 semi-trucks nose to tail. 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 girder bridge.

Built20179 years old
Length149.9 ft45.7 m
Daily traffic3,327counted 2023
Last inspectedMarch 2024every 24 months

Location

StateWashington
CountyWalla Walla
Location5.3 E Jct US 12
CarriesSR 124
CrossesUprr
Coordinates46.21483, -118.90664

Physical Characteristics

MaterialConcrete
DesignGirder and Floorbeam
Total Length149.9 ft (45.7 m)
Max Span145.0 ft (44.2 m)
Deck Width38.7 ft (11.8 m)
Deck Area539.3 sq m
Main Spans1
Year Built2017

Traffic

Avg Daily Traffic3,327 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number0018971A0000000

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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