Structure 7584A001 16445 · Douglas County, OR

I-5 (hwy 001) over Comstock Cemetery RD

Carries I-5 (hwy 001) over Comstock Cemetery RD, 03.6 Mi S Lane-douglas Co.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT125 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

125 ft end to end, longest span 50 ft. 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 slab bridge.

Built1981rebuilt 1991
Length125.0 ft38.1 m
Daily traffic27,404counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateOregon
CountyDouglas
Location03.6 Mi S Lane-douglas Co
CarriesI-5 (hwy 001)
CrossesComstock Cemetery RD
Coordinates43.73366, -123.19704

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length125.0 ft (38.1 m)
Max Span49.9 ft (15.2 m)
Deck Width91.5 ft (27.9 m)
Deck Area1063.0 sq m
Main Spans3
Year Built1981 (reconstructed 1991)

Traffic

Avg Daily Traffic27,404 (2022)
Truck Traffic26%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number07584A001 16445

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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