Structure P40083000000000 · Milwaukee County, WI

Lrd S 1st ST over Kinnickinnic River

Carries Lrd S 1st ST over Kinnickinnic River, 0.3m S Jct Sth 32.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT190 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

190 ft end to end: 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.

Built195868 years old
Length190.0 ft57.9 m
Daily traffic5,984counted 2023
Last inspectedMay 2024every 24 months

Location

StateWisconsin
CountyMilwaukee
Location0.3m S Jct Sth 32
CarriesLrd S 1st ST
CrossesKinnickinnic River
Coordinates43.00809, -87.91109

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length190.0 ft (57.9 m)
Max Span90.9 ft (27.7 m)
Deck Width61.0 ft (18.6 m)
Deck Area1076.9 sq m
Main Spans1
Year Built1958

Traffic

Avg Daily Traffic5,984 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure NumberP40083000000000

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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