Structure B03003600000000 · Barron County, WI

Cth D (sumner St) over Lake Chetek

Carries Cth D (sumner St) over Lake Chetek, 0.2m N Jct Cth D To W.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT684 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 6/9

684 ft end to end, longest span 148 ft: about 1.9 football fields. 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.

Built197353 years old
Length684.4 ft208.6 m
Daily traffic6,800counted 2021
Last inspectedMay 2023every 24 months

Location

StateWisconsin
CountyBarron
Location0.2m N Jct Cth D To W
CarriesCth D (sumner St)
CrossesLake Chetek
Coordinates45.32374, -91.64984

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length684.4 ft (208.6 m)
Max Span148.0 ft (45.1 m)
Deck Width41.3 ft (12.6 m)
Deck Area2628.4 sq m
Main Spans5
Year Built1973

Traffic

Avg Daily Traffic6,800 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberB03003600000000

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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