Structure 21434 200 04043 · Lane County, OR

HWY 200 over S Fork Siuslaw River

Carries HWY 200 over S Fork Siuslaw River, 20.9 Mi S Jct HWY 62.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

87 ft end to end, longest span 44 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.

Built201214 years old
Length86.6 ft26.4 m
Daily traffic1,368counted 2022
Last inspectedOctober 2023every 24 months

Location

StateOregon
CountyLane
Location20.9 Mi S Jct HWY 62
CarriesHWY 200
CrossesS Fork Siuslaw River
Coordinates43.80120, -123.22710

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length86.6 ft (26.4 m)
Max Span43.6 ft (13.3 m)
Deck Width38.7 ft (11.8 m)
Deck Area311.5 sq m
Main Spans2
Year Built2012

Traffic

Avg Daily Traffic1,368 (2022)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number21434 200 04043

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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