Structure B70006100000000 · Winnebago County, WI

Ush 10 Wb-sth 441 over Lit Lake Butte De Morts

Carries Ush 10 Wb-sth 441 over Lit Lake Butte De Morts, 0.7m E Jct Ush 41 To S.

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
SEMI-TRUCK · 72 FT3,462 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

3,462 ft end to end, longest span 225 ft: about 9.6 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 multi-beam bridge.

Built1975rebuilt 2018
Length3461.9 ft1055.2 m
Daily traffic28,000counted 2022
Last inspectedJuly 2024every 24 months

Location

StateWisconsin
CountyWinnebago
Location0.7m E Jct Ush 41 To S
CarriesUsh 10 Wb-sth 441
CrossesLit Lake Butte De Morts
Coordinates44.21839, -88.45530

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length3461.9 ft (1055.2 m)
Max Span225.1 ft (68.6 m)
Deck Width68.9 ft (21 m)
Deck Area22159.2 sq m
Main Spans21
Year Built1975 (reconstructed 2018)

Traffic

Avg Daily Traffic28,000 (2022)
Truck Traffic14%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB70006100000000

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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