Structure 19C480 1 3499 · Douglas County, OR

County RD 1 over Elk Creek

Carries County RD 1 over Elk Creek, 3.4 Mi SE Of Drew Po.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
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
SEMI-TRUCK · 72 FT150 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

150 ft end to end, longest span 65 ft: about 2 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 multi-beam bridge.

Built193591 years old
Length149.9 ft45.7 m
Daily traffic579counted 2020
Last inspectedJune 2023every 24 months

Location

StateOregon
CountyDouglas
Location3.4 Mi SE Of Drew Po
CarriesCounty RD 1
CrossesElk Creek
Coordinates42.85005, -122.85704

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length149.9 ft (45.7 m)
Max Span65.0 ft (19.8 m)
Deck Width32.2 ft (9.8 m)
Deck Area447.9 sq m
Main Spans3
Year Built1935

Traffic

Avg Daily Traffic579 (2020)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number19C480 1 3499

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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