Structure P59011800000000 · Sheboygan County, WI

Lrd Alpine RD over Sheboygan River

Carries Lrd Alpine RD over Sheboygan River, 0.6m S Jct Cth O.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT97 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

97 ft end to end, longest span 47 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 multi-beam bridge.

Built193888 years old
Length97.1 ft29.6 m
Daily traffic94counted 2024
Last inspectedAugust 2024every 24 months

Location

StateWisconsin
CountySheboygan
Location0.6m S Jct Cth O
CarriesLrd Alpine RD
CrossesSheboygan River
Coordinates43.75658, -87.87169

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length97.1 ft (29.6 m)
Max Span46.9 ft (14.3 m)
Deck Width27.2 ft (8.3 m)
Deck Area245.7 sq m
Main Spans2
Year Built1938

Traffic

Avg Daily Traffic94 (2024)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberP59011800000000

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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