Structure B16009400000000 · Douglas County, WI

Cth T over Upper Tamarack River

Carries Cth T over Upper Tamarack River, 2.3m W Jct Sth 35.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT85 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 7/9

85 ft end to end, longest span 41 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.

Built199927 years old
Length84.6 ft25.8 m
Daily traffic175counted 2023
Last inspectedAugust 2024every 12 months

Location

StateWisconsin
CountyDouglas
Location2.3m W Jct Sth 35
CarriesCth T
CrossesUpper Tamarack River
Coordinates46.16458, -92.28450

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length84.6 ft (25.8 m)
Max Span41.0 ft (12.5 m)
Deck Width31.5 ft (9.6 m)
Deck Area247.7 sq m
Main Spans2
Year Built1999

Traffic

Avg Daily Traffic175 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberB16009400000000

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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