Structure P11004900000000 · Columbia County, WI

Cth Cm over Fox River

Carries Cth Cm over Fox River, 0.1m E Jct Cth T.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT80 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

80 ft end to end, longest span 20 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.

Built195868 years old
Length80.1 ft24.4 m
Daily traffic500counted 2022
Last inspectedSeptember 2024every 12 months

Location

StateWisconsin
CountyColumbia
Location0.1m E Jct Cth T
CarriesCth Cm
CrossesFox River
Coordinates43.63622, -89.42491

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length80.1 ft (24.4 m)
Max Span20.0 ft (6.1 m)
Deck Width27.9 ft (8.5 m)
Deck Area207.4 sq m
Main Spans4
Year Built1958

Traffic

Avg Daily Traffic500 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberP11004900000000

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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