Structure B58012100000000 · Shawano County, WI

Sth 47 over Br Herman Creek

Carries Sth 47 over Br Herman Creek, 1.0m S Jct Sth 156 To E.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

34 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 slab bridge.

Built200719 years old
Length34.4 ft10.5 m
Daily traffic5,300counted 2022
Last inspectedOctober 2021every 48 months

Location

StateWisconsin
CountyShawano
Location1.0m S Jct Sth 156 To E
CarriesSth 47
CrossesBr Herman Creek
Coordinates44.59838, -88.44695

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length34.4 ft (10.5 m)
Max Span32.2 ft (9.8 m)
Deck Width46.6 ft (14.2 m)
Deck Area149.1 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic5,300 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB58012100000000

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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