Structure B25093400000000 · Iowa County, WI

Sth 130 over Otter Creek

Carries Sth 130 over Otter Creek, 0.1m N Jct Cth Nn.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

26 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.

Built1923rebuilt 1990
Length25.6 ft7.8 m
Daily traffic350counted 2022
Last inspectedOctober 2023every 24 months

Location

StateWisconsin
CountyIowa
Location0.1m N Jct Cth Nn
CarriesSth 130
CrossesOtter Creek
Coordinates43.13279, -90.21658

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length25.6 ft (7.8 m)
Max Span24.0 ft (7.3 m)
Deck Width27.9 ft (8.5 m)
Deck Area66.3 sq m
Main Spans1
Year Built1923 (reconstructed 1990)

Traffic

Avg Daily Traffic350 (2022)
Truck Traffic5%
Lanes On Bridge2

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 NumberB25093400000000

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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