Structure P22015800000000 · Grant County, WI

Lrd Big Green RD over Big Green River

Carries Lrd Big Green RD over Big Green River, 0.2m S Jct Cth K.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

52 ft end to end. 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 through truss.

Built1919107 years old
Length51.8 ft15.8 m
Daily traffic53counted 2022
Last inspectedDecember 2024every 12 months

Location

StateWisconsin
CountyGrant
Location0.2m S Jct Cth K
CarriesLrd Big Green RD
CrossesBig Green River
Coordinates43.02839, -90.78225

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length51.8 ft (15.8 m)
Max Span49.9 ft (15.2 m)
Deck Width17.1 ft (5.2 m)
Deck Area82.2 sq m
Main Spans1
Year Built1919

Traffic

Avg Daily Traffic53 (2022)
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberP22015800000000

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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