Structure 18802 528 00703 · Wallowa County, OR

Wade Gulch Road over Wallowa River

Carries Wade Gulch Road over Wallowa River, 0.3 Mi E Of HWY 82.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT91 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

91 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 box-beam bridge.

Built200125 years old
Length90.6 ft27.6 m
Daily traffic65counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateOregon
CountyWallowa
Location0.3 Mi E Of HWY 82
CarriesWade Gulch Road
CrossesWallowa River
Coordinates45.47500, -117.38750

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length90.6 ft (27.6 m)
Max Span89.2 ft (27.2 m)
Deck Width27.9 ft (8.5 m)
Deck Area234.6 sq m
Main Spans1
Year Built2001

Traffic

Avg Daily Traffic65 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number18802 528 00703

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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