Structure 63B016000000000 · Wallowa County, OR

Depot Street over Prairie Creek

Carries Depot Street over Prairie Creek, 3 Blocks S Of HWY 82.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

33 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a deck arch.

Built1915111 years old
Length33.1 ft10.1 m
Daily traffic241counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateOregon
CountyWallowa
Location3 Blocks S Of HWY 82
CarriesDepot Street
CrossesPrairie Creek
Coordinates45.42324, -117.28137

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length33.1 ft (10.1 m)
Max Span30.8 ft (9.4 m)
Deck Width32.5 ft (9.9 m)
Deck Area100.0 sq m
Main Spans1
Year Built1915

Traffic

Avg Daily Traffic241 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalUnknown
Structure Number63B016000000000

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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