Structure B40141200040000 · Milwaukee County, WI

IH 794 WB over Milwaukee River

Carries IH 794 WB over Milwaukee River, 1.4m W Of Sth32.

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
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT280 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

280 ft end to end, longest span 122 ft: about 4 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.

Built2007rebuilt 2015
Length279.5 ft85.2 m
Daily traffic33,850counted 2021
Last inspectedJune 2022every 48 months

Location

StateWisconsin
CountyMilwaukee
Location1.4m W Of Sth32
CarriesIH 794 WB
CrossesMilwaukee River
Coordinates43.03596, -87.90949

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length279.5 ft (85.2 m)
Max Span121.7 ft (37.1 m)
Deck Width70.9 ft (21.6 m)
Deck Area1840.3 sq m
Main Spans3
Year Built2007 (reconstructed 2015)

Traffic

Avg Daily Traffic33,850 (2021)
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB40141200040000

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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