Structure B51011300000000 · Racine County, WI

Sth Ramp To Sth 83 over Sth 36/sth 83

Carries Sth Ramp To Sth 83 over Sth 36/sth 83, 2.7 Mi S Jct Sth 20.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT536 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

536 ft end to end, longest span 180 ft: about 7 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.

Built200719 years old
Length535.8 ft163.3 m
Daily traffic4,000counted 2021
Last inspectedJuly 2021every 48 months

Location

StateWisconsin
CountyRacine
Location2.7 Mi S Jct Sth 20
CarriesSth Ramp To Sth 83
CrossesSth 36/sth 83
Coordinates42.71634, -88.22641

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length535.8 ft (163.3 m)
Max Span180.1 ft (54.9 m)
Deck Width33.8 ft (10.3 m)
Deck Area1682.0 sq m
Main Spans4
Year Built2007

Traffic

Avg Daily Traffic4,000 (2021)
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB51011300000000

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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