Structure P09090200000000 · Chippewa County, WI

Cth M over Spring Brook

Carries Cth M over Spring Brook, 0.2 M N 225th Avenue.

Overall conditionPoor

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

How ratings work
Deck7/9 · Good
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT43 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9Substructure 4/9 · sets the rating

43 ft end to end, longest span 20 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.

Built1935rebuilt 1998
Length42.7 ft13 m
Daily traffic290counted 2023
Last inspectedOctober 2024every 12 months

Location

StateWisconsin
CountyChippewa
Location0.2 M N 225th Avenue
CarriesCth M
CrossesSpring Brook
Coordinates45.17336, -91.63453

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length42.7 ft (13 m)
Max Span20.3 ft (6.2 m)
Deck Width29.5 ft (9 m)
Deck Area117 sq m
Main Spans2
Year Built1935 (reconstructed 1998)

Traffic

Avg Daily Traffic290 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberP09090200000000

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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