Structure B02042300000000 · Ashland County, WI

Cth Gg over Mccarthy Creek

Carries Cth Gg over Mccarthy Creek, 6.0m N Jct Sth 77.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
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
23 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 3/9 · sets the ratingSubstructure 5/9

23 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1948rebuilt 1960
Length22.6 ft6.9 m
Daily traffic569counted 2024
Last inspectedAugust 2024every 12 months

Location

StateWisconsin
CountyAshland
Location6.0m N Jct Sth 77
CarriesCth Gg
CrossesMccarthy Creek
Coordinates46.26897, -90.84008

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length22.6 ft (6.9 m)
Max Span20.7 ft (6.3 m)
Deck Width28.9 ft (8.8 m)
Deck Area60.7 sq m
Main Spans1
Year Built1948 (reconstructed 1960)

Traffic

Avg Daily Traffic569 (2024)
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 Critical8 — Stable, low risk
Structure NumberB02042300000000

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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