Structure P17014100000000 · Dunn County, WI

Lrd 810th St. over Cranberry Creek

Carries Lrd 810th St. over Cranberry Creek, 0.5m S Jct Sth 85.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 5/9

38 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.

Built1919rebuilt 1970
Length38.4 ft11.7 m
Daily traffic108counted 2024
Last inspectedJuly 2024every 12 months

Location

StateWisconsin
CountyDunn
Location0.5m S Jct Sth 85
CarriesLrd 810th St.
CrossesCranberry Creek
Coordinates44.69807, -91.75142

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length38.4 ft (11.7 m)
Max Span32.2 ft (9.8 m)
Deck Width25.6 ft (7.8 m)
Deck Area91.3 sq m
Main Spans1
Year Built1919 (reconstructed 1970)

Traffic

Avg Daily Traffic108 (2024)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure NumberP17014100000000

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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