Structure B400400003A0000 · Milwaukee County, WI

IH 794 EB over Sth 32/milwaukee ST

Carries IH 794 EB over Sth 32/milwaukee ST, 0.9 Mi E Jct IH 43.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT348 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

348 ft end to end, longest span 116 ft: about 5 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 box-beam bridge.

Built197452 years old
Length348.1 ft106.1 m
Daily traffic20,050counted 2023
Last inspectedJune 2024every 24 months

Location

StateWisconsin
CountyMilwaukee
Location0.9 Mi E Jct IH 43
CarriesIH 794 EB
CrossesSth 32/milwaukee ST
Coordinates43.03543, -87.90639

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length348.1 ft (106.1 m)
Max Span116.1 ft (35.4 m)
Deck Width49.9 ft (15.2 m)
Deck Area1612.7 sq m
Main Spans4
Year Built1974

Traffic

Avg Daily Traffic20,050 (2023)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB400400003A0000

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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