Structure L1439278 · Douglas County, OR

25 S 01 E 31.00: over Canton Creek

Carries 25 S 01 E 31.00: over Canton Creek, 0.5 Miles NE Of HWY 138 (.

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
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT244 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

244 ft end to end, longest span 96 ft: about 3 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 box-beam bridge.

Built196660 years old
Length244.1 ft74.4 m
Daily traffic50counted 2024
Last inspectedMarch 2024every 24 months

Location

StateOregon
CountyDouglas
Location0.5 Miles NE Of HWY 138 (
Carries25 S 01 E 31.00:
CrossesCanton Creek
Coordinates43.37167, -122.74528

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length244.1 ft (74.4 m)
Max Span96.1 ft (29.3 m)
Deck Width16.4 ft (5 m)
Deck Area372 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic50 (2024)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Land Management
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number0000000L1439278

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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