Structure 17121 000 00000 · Clackamas County, OR

Jennifer ST over Sprr

Carries Jennifer ST over Sprr, 0.5 Mi S Of HWY 224.

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 FT241 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

241 ft end to end, longest span 139 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.

Built199036 years old
Length241.1 ft73.5 m
Daily traffic8,341counted 2020
Last inspectedMay 2023every 24 months

Location

StateOregon
CountyClackamas
Location0.5 Mi S Of HWY 224
CarriesJennifer ST
CrossesSprr
Coordinates45.40051, -122.56736

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length241.1 ft (73.5 m)
Max Span139.1 ft (42.4 m)
Deck Width46.9 ft (14.3 m)
Deck Area1051.0 sq m
Main Spans2
Year Built1990

Traffic

Avg Daily Traffic8,341 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number17121 000 00000

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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