Structure P67092500000000 · Waukesha County, WI

Lrd Center Drive over Mill Brook

Carries Lrd Center Drive over Mill Brook, 0.4m N Jct Cth Es.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Superstructuresets the rating7/9 · Good
Substructure9/9 · Excellent
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 7/9 · sets the ratingSubstructure 9/9

26 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 rigid-frame bridge.

Built199036 years old
Length25.6 ft7.8 m
Daily traffic510counted 2022
Last inspectedOctober 2024every 24 months

Location

StateWisconsin
CountyWaukesha
Location0.4m N Jct Cth Es
CarriesLrd Center Drive
CrossesMill Brook
Coordinates42.91109, -88.24820

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length25.6 ft (7.8 m)
Max Span25.3 ft (7.7 m)
Deck Width40.0 ft (12.2 m)
Deck Area95.2 sq m
Main Spans1
Year Built1990

Traffic

Avg Daily Traffic510 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberP67092500000000

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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