Structure B17011000000000 · Dunn County, WI

Lrd 220th ST over Eau Galle River

Carries Lrd 220th ST over Eau Galle River, 0.1m N Jct Cth C.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

102 ft end to end, longest span 40 ft. Lengths and the car 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 slab bridge.

Built198838 years old
Length102.0 ft31.1 m
Daily traffic53counted 2024
Last inspectedJuly 2024every 48 months

Location

StateWisconsin
CountyDunn
Location0.1m N Jct Cth C
CarriesLrd 220th ST
CrossesEau Galle River
Coordinates44.75650, -92.03919

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length102.0 ft (31.1 m)
Max Span40.0 ft (12.2 m)
Deck Width25.9 ft (7.9 m)
Deck Area245.7 sq m
Main Spans3
Year Built1988

Traffic

Avg Daily Traffic53 (2024)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB17011000000000

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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