Structure B10001300000000 · Clark County, WI

Sth 73-main ST over Rock Creek

Carries Sth 73-main ST over Rock Creek, 1.6m N Jct Sth 98.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT143 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

143 ft end to end, longest span 55 ft. 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 slab bridge.

Built195769 years old
Length143.0 ft43.6 m
Daily traffic3,800counted 2022
Last inspectedJune 2023every 24 months

Location

StateWisconsin
CountyClark
Location1.6m N Jct Sth 98
CarriesSth 73-main ST
CrossesRock Creek
Coordinates44.75827, -90.59795

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length143.0 ft (43.6 m)
Max Span55.1 ft (16.8 m)
Deck Width37.1 ft (11.3 m)
Deck Area492.7 sq m
Main Spans3
Year Built1957

Traffic

Avg Daily Traffic3,800 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB10001300000000

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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