Structure B23011500000000 · Green County, WI

Lrd Cth N/6th AVE over Sth 11

Carries Lrd Cth N/6th AVE over Sth 11, City Of Monroe.

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 FT225 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

225 ft end to end, longest span 120 ft: 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.

Built199729 years old
Length225.4 ft68.7 m
Daily traffic7,200counted 2022
Last inspectedFebruary 2021every 48 months

Location

StateWisconsin
CountyGreen
LocationCity Of Monroe
CarriesLrd Cth N/6th AVE
CrossesSth 11
Coordinates42.60534, -89.66493

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length225.4 ft (68.7 m)
Max Span120.1 ft (36.6 m)
Deck Width88.9 ft (27.1 m)
Deck Area1861.8 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic7,200 (2022)
Truck Traffic18%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB23011500000000

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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