Structure B15001900000000 · Door County, WI

Lrd Maple/oregon S over Land

Carries Lrd Maple/oregon S over Land, 1.0m N Jct Sth 42.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT163 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

163 ft end to end, longest span 40 ft: about 2 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 slab bridge.

Built200818 years old
Length162.7 ft49.6 m
Daily traffic6,500counted 2024
Last inspectedMarch 2024every 48 months

Location

StateWisconsin
CountyDoor
Location1.0m N Jct Sth 42
CarriesLrd Maple/oregon S
CrossesLand
Coordinates44.82932, -87.38142

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length162.7 ft (49.6 m)
Max Span40.0 ft (12.2 m)
Deck Width61.0 ft (18.6 m)
Deck Area922.6 sq m
Main Spans4
Year Built2008

Traffic

Avg Daily Traffic6,500 (2024)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB15001900000000

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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