Structure B08001200000000 · Calumet County, WI

Cth Pp over N Br Manitowoc River

Carries Cth Pp over N Br Manitowoc River, 0.2m E Jct Cth Y.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT321 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

321 ft end to end, longest span 59 ft: about 4 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 slab bridge.

Built198244 years old
Length320.5 ft97.7 m
Daily traffic2,500counted 2022
Last inspectedMay 2024every 24 months

Location

StateWisconsin
CountyCalumet
Location0.2m E Jct Cth Y
CarriesCth Pp
CrossesN Br Manitowoc River
Coordinates44.12056, -88.09389

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length320.5 ft (97.7 m)
Max Span59.1 ft (18 m)
Deck Width48.6 ft (14.8 m)
Deck Area1446.0 sq m
Main Spans6
Year Built1982

Traffic

Avg Daily Traffic2,500 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB08001200000000

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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