Structure B28004000000000 · Jefferson County, WI

Sth 89 over IH 94

Carries Sth 89 over IH 94, 0.2m N Jct Cth V.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT274 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

274 ft end to end, longest span 96 ft: about 4 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.

Built1964rebuilt 1999
Length274.3 ft83.6 m
Daily traffic11,100counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateWisconsin
CountyJefferson
Location0.2m N Jct Cth V
CarriesSth 89
CrossesIH 94
Coordinates43.09284, -88.90879

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length274.3 ft (83.6 m)
Max Span96.1 ft (29.3 m)
Deck Width38.4 ft (11.7 m)
Deck Area978.1 sq m
Main Spans4
Year Built1964 (reconstructed 1999)

Traffic

Avg Daily Traffic11,100 (2022)
Truck Traffic14%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB28004000000000

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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