Structure L1439053 · Douglas County, OR

21 S 08 W 11.00: over Smith River

Carries 21 S 08 W 11.00: over Smith River, 51.7 Miles NE Of HWY 101.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT59 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

59 ft end to end, longest span 18 ft. 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.

Built195868 years old
Length59.1 ft18 m
Daily traffic50counted 2023
Last inspectedMarch 2023every 24 months

Location

StateOregon
CountyDouglas
Location51.7 Miles NE Of HWY 101
Carries21 S 08 W 11.00:
CrossesSmith River
Coordinates43.76056, -123.62028

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length59.1 ft (18 m)
Max Span18.0 ft (5.5 m)
Deck Width16.1 ft (4.9 m)
Deck Area88.2 sq m
Main Spans3
Year Built1958

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerBureau of Land Management
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number0000000L1439053

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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