Structure 8898 064 01198 · Clackamas County, OR

Strawberry Lane over HWY 064

Carries Strawberry Lane over HWY 064, 2.8 Mi N Of Oregon City.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

240 ft end to end, longest span 65 ft: about 3 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.

Built1962rebuilt 2003
Length240.2 ft73.2 m
Daily traffic—reported figure implausible
Last inspectedMarch 2023every 24 months

Location

StateOregon
CountyClackamas
Location2.8 Mi N Of Oregon City
CarriesStrawberry Lane
CrossesHWY 064
Coordinates45.39780, -122.57394

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span65.0 ft (19.8 m)
Deck Width30.8 ft (9.4 m)
Deck Area688.1 sq m
Main Spans4
Year Built1962 (reconstructed 2003)

Traffic

Avg Daily Traffic113,512 (2020)
That is about 56,756 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number08898 064 01198

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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