Structure 737A058 00446 · Linn County, OR

Or 99e (hwy 58) over Oak Creek

Carries Or 99e (hwy 58) over Oak Creek, 004 Mi S Albany.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT92 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

92 ft end to end, longest span 46 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.

Built198838 years old
Length91.9 ft28 m
Daily traffic19,406counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateOregon
CountyLinn
Location004 Mi S Albany
CarriesOr 99e (hwy 58)
CrossesOak Creek
Coordinates44.60336, -123.11342

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length91.9 ft (28 m)
Max Span45.9 ft (14 m)
Deck Width86.9 ft (26.5 m)
Deck Area742 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic19,406 (2022)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number00737A058 00446

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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