Structure 3800100 · Jay County, IN

Walnut Corner Road over Walling Ditch

Carries Walnut Corner Road over Walling Ditch, 0.3 Miles West Of CR 600.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT36 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

36 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 box-beam bridge.

Built200224 years old
Length35.8 ft10.9 m
Daily traffic79counted 2019
Last inspectedOctober 2023every 24 months

Location

StateIndiana
CountyJay
Location0.3 Miles West Of CR 600
CarriesWalnut Corner Road
CrossesWalling Ditch
Coordinates40.47718, -85.10187

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length35.8 ft (10.9 m)
Max Span34.8 ft (10.6 m)
Deck Width24.3 ft (7.4 m)
Deck Area80.7 sq m
Main Spans1
Year Built2002

Traffic

Avg Daily Traffic79 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number3800100

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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