Structure 39290 · Madison County, IN

I-69 NB over Brandon Ditch

Carries I-69 NB over Brandon Ditch, 01.14 N SR 236.

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
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

72 ft end to end, longest span 28 ft. 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.

Built1962rebuilt 2018
Length71.5 ft21.8 m
Daily traffic20,840counted 2018
Last inspectedAugust 2023every 24 months

Location

StateIndiana
CountyMadison
Location01.14 N SR 236
CarriesI-69 NB
CrossesBrandon Ditch
Coordinates40.07660, -85.58165

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length71.5 ft (21.8 m)
Max Span27.9 ft (8.5 m)
Deck Width42.7 ft (13 m)
Deck Area283.4 sq m
Main Spans3
Year Built1962 (reconstructed 2018)

Traffic

Avg Daily Traffic20,840 (2018)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number039290

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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