Structure B13028200000000 · Dane County, WI

Lrd Yahara RD over Yahara River

Carries Lrd Yahara RD over Yahara River, 1.3m S Jct Cth Dm.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

38 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.

Built196957 years old
Length38.4 ft11.7 m
Daily traffic10,521counted 2022
Last inspectedOctober 2024every 24 months

Location

StateWisconsin
CountyDane
Location1.3m S Jct Cth Dm
CarriesLrd Yahara RD
CrossesYahara River
Coordinates43.26342, -89.34094

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length38.4 ft (11.7 m)
Max Span36.1 ft (11 m)
Deck Width30.5 ft (9.3 m)
Deck Area108.8 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic10,521 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB13028200000000

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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