Structure 63C23 055100851 · Wallowa County, OR

Lostine River Road over Lostine River

Carries Lostine River Road over Lostine River, 8.5 S Of HWY 82.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT83 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

83 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 through truss.

Built195076 years old
Length83.0 ft25.3 m
Daily traffic452counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateOregon
CountyWallowa
Location8.5 S Of HWY 82
CarriesLostine River Road
CrossesLostine River
Coordinates45.40834, -117.42763

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length83.0 ft (25.3 m)
Max Span80.1 ft (24.4 m)
Deck Width18.0 ft (5.5 m)
Deck Area139.2 sq m
Main Spans1
Year Built1950

Traffic

Avg Daily Traffic452 (2020)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalUnknown
Structure Number63C23 055100851

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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