Structure 20190 102 00016 · Crook County, OR

Main Street over Ochoco Creek

Carries Main Street over Ochoco Creek, City Of Prineville.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT69 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

69 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 slab bridge.

Built200422 years old
Length68.9 ft21 m
Daily traffic12,031counted 2020
Last inspectedAugust 2024every 24 months

Location

StateOregon
CountyCrook
LocationCity Of Prineville
CarriesMain Street
CrossesOchoco Creek
Coordinates44.30529, -120.84711

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length68.9 ft (21 m)
Max Span67.9 ft (20.7 m)
Deck Width52.2 ft (15.9 m)
Deck Area333.9 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic12,031 (2020)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number20190 102 00016

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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