Structure B42001900000000 · Oconto County, WI

Ush 41 Sb-ush 141 over Little Suamico River

Carries Ush 41 Sb-ush 141 over Little Suamico River, 0.6m S Jct Cth S.

Overall conditionGood

Set by its lowest-rated component: Superstructure and Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT152 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

152 ft end to end, longest span 55 ft: about 2 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.

Built1971rebuilt 2023
Length152.2 ft46.4 m
Daily traffic31,630counted 2023
Last inspectedMarch 2023every 24 months

Location

StateWisconsin
CountyOconto
Location0.6m S Jct Cth S
CarriesUsh 41 Sb-ush 141
CrossesLittle Suamico River
Coordinates44.71196, -88.05113

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length152.2 ft (46.4 m)
Max Span55.1 ft (16.8 m)
Deck Width43.0 ft (13.1 m)
Deck Area607.8 sq m
Main Spans3
Year Built1971 (reconstructed 2023)

Traffic

Avg Daily Traffic31,630 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB42001900000000

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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