Structure P48090200000000 · Polk County, WI

Lrd 50th AVE over Bull Brook

Carries Lrd 50th AVE over Bull Brook, 0.1m W Jct Cth F.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT44 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

44 ft end to end, longest span 21 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 slab bridge.

Built196363 years old
Length44.0 ft13.4 m
Daily traffic43counted 2024
Last inspectedApril 2024every 12 months

Location

StateWisconsin
CountyPolk
Location0.1m W Jct Cth F
CarriesLrd 50th AVE
CrossesBull Brook
Coordinates45.28217, -92.31908

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length44.0 ft (13.4 m)
Max Span21.3 ft (6.5 m)
Deck Width23.6 ft (7.2 m)
Deck Area96.5 sq m
Main Spans2
Year Built1963

Traffic

Avg Daily Traffic43 (2024)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberP48090200000000

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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