Structure B52018200000000 · Richland County, WI

Cth E over Br Mill Creek

Carries Cth E over Br Mill Creek, 0.1m S Jct Sth 171.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

28 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.

Built199432 years old
Length27.9 ft8.5 m
Daily traffic440counted 2022
Last inspectedMarch 2024every 24 months

Location

StateWisconsin
CountyRichland
Location0.1m S Jct Sth 171
CarriesCth E
CrossesBr Mill Creek
Coordinates43.32861, -90.53056

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length27.9 ft (8.5 m)
Max Span25.9 ft (7.9 m)
Deck Width32.2 ft (9.8 m)
Deck Area83.3 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic440 (2022)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB52018200000000

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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