Structure B400413000A0000 · Milwaukee County, WI

Lrd S 6th ST over Central Pacific Rr

Carries Lrd S 6th ST over Central Pacific Rr, 0.2m S Jct Canal ST.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT575 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

575 ft end to end: about 1.6 football fields. 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 bridge of this kind.

Built200224 years old
Length575.1 ft175.3 m
Daily traffic13,675counted 2023
Last inspectedOctober 2023every 24 months

Location

StateWisconsin
CountyMilwaukee
Location0.2m S Jct Canal ST
CarriesLrd S 6th ST
CrossesCentral Pacific Rr
Coordinates43.02773, -87.91803

Physical Characteristics

MaterialSteel
DesignOther
Total Length575.1 ft (175.3 m)
Max Span194.9 ft (59.4 m)
Deck Width81.0 ft (24.7 m)
Deck Area4329.9 sq m
Main Spans1
Year Built2002

Traffic

Avg Daily Traffic13,675 (2023)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB400413000A0000

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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