Structure B31090600000000 · Kewaunee County, WI

Cth Ab Main ST over School Creek

Carries Cth Ab Main ST over School Creek, 0.8m N Jct Sth 54.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT48 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 5/9

48 ft end to end. 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.

Built1932rebuilt 1958
Length47.6 ft14.5 m
Daily traffic1,900counted 2021
Last inspectedJune 2024every 12 months

Location

StateWisconsin
CountyKewaunee
Location0.8m N Jct Sth 54
CarriesCth Ab Main ST
CrossesSchool Creek
Coordinates44.55600, -87.70308

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length47.6 ft (14.5 m)
Max Span42.3 ft (12.9 m)
Deck Width42.3 ft (12.9 m)
Deck Area187.1 sq m
Main Spans1
Year Built1932 (reconstructed 1958)

Traffic

Avg Daily Traffic1,900 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB31090600000000

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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