Structure B67095200000000 · Waukesha County, WI

Sth 83 over Oconomowoc River

Carries Sth 83 over Oconomowoc River, 0.1m N Jct Cth Vv.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 6/9

40 ft end to end. 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 deck arch.

Built1916110 years old
Length40.0 ft12.2 m
Daily traffic4,700counted 2022
Last inspectedApril 2024every 24 months

Location

StateWisconsin
CountyWaukesha
Location0.1m N Jct Cth Vv
CarriesSth 83
CrossesOconomowoc River
Coordinates43.15950, -88.37071

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length40.0 ft (12.2 m)
Max Span35.1 ft (10.7 m)
Deck Width48.6 ft (14.8 m)
Deck Area180.6 sq m
Main Spans1
Year Built1916

Traffic

Avg Daily Traffic4,700 (2022)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure NumberB67095200000000

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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