Structure B11003000000000 · Columbia County, WI

Sth 33 over IH 90-ih 94

Carries Sth 33 over IH 90-ih 94, 0.9m E Jct Cth W.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT214 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

214 ft end to end, longest span 70 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built1961rebuilt 1994
Length213.9 ft65.2 m
Daily traffic6,800counted 2021
Last inspectedAugust 2024every 24 months

Location

StateWisconsin
CountyColumbia
Location0.9m E Jct Cth W
CarriesSth 33
CrossesIH 90-ih 94
Coordinates43.51297, -89.52370

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length213.9 ft (65.2 m)
Max Span69.9 ft (21.3 m)
Deck Width36.1 ft (11 m)
Deck Area717.2 sq m
Main Spans4
Year Built1961 (reconstructed 1994)

Traffic

Avg Daily Traffic6,800 (2021)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB11003000000000

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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