Structure B13019300000000 · Dane County, WI

Ush 12/18 over Br Yahara River

Carries Ush 12/18 over Br Yahara River, 1.1m E Jct Ush 51.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

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

Elevation

Side view, colored by inspection rating
23 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 23 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built1962rebuilt 1998
Length22.6 ft6.9 m
Daily traffic86,700counted 2022
Last inspectedOctober 2023every 24 months

Location

StateWisconsin
CountyDane
Location1.1m E Jct Ush 51
CarriesUsh 12/18
CrossesBr Yahara River
Coordinates43.04702, -89.28632

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length22.6 ft (6.9 m)
Max Span9.8 ft (3 m)
Deck Area168.4 sq m
Main Spans2
Year Built1962 (reconstructed 1998)

Traffic

Avg Daily Traffic86,700 (2022)
Truck Traffic1%
Lanes On Bridge8

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB13019300000000

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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