Structure B13038600000000 · Dane County, WI

Ush 51 NB over Lrd Taylor ST

Carries Ush 51 NB over Lrd Taylor ST, 0.5m N Jct Cth Mn.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT274 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

274 ft end to end, longest span 96 ft: about 4 semi-trucks nose to tail. 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 multi-beam bridge.

Built199234 years old
Length274.0 ft83.5 m
Daily traffic9,250counted 2021
Last inspectedJune 2024every 48 months

Location

StateWisconsin
CountyDane
Location0.5m N Jct Cth Mn
CarriesUsh 51 NB
CrossesLrd Taylor ST
Coordinates43.02013, -89.29954

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length274.0 ft (83.5 m)
Max Span96.5 ft (29.4 m)
Deck Width42.3 ft (12.9 m)
Deck Area1077.2 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic9,250 (2021)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB13038600000000

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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