Structure B67032700000000 · Waukesha County, WI

Sth 83 SB over Spring Brook

Carries Sth 83 SB over Spring Brook, 1.2 Mi S Jct Sth 59.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

94 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 multi-beam bridge.

Built201115 years old
Length93.8 ft28.6 m
Daily traffic3,200counted 2022
Last inspectedSeptember 2021every 48 months

Location

StateWisconsin
CountyWaukesha
Location1.2 Mi S Jct Sth 59
CarriesSth 83 SB
CrossesSpring Brook
Coordinates42.94352, -88.34885

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length93.8 ft (28.6 m)
Max Span89.9 ft (27.4 m)
Deck Width42.7 ft (13 m)
Deck Area371.8 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic3,200 (2022)
Truck Traffic7%
Lanes On Bridge1

Inspection & Ownership

Last InspectionSeptember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB67032700000000

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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