Structure 29530 · Jasper County, IN

US 231 over Barnard Ditch

Carries US 231 over Barnard Ditch, 03.08 N SR 10.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure9/9 · Excellent
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 7/9 · sets the rating

102 ft end to end, longest span 40 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.

Built1961rebuilt 2021
Length101.7 ft31 m
Daily traffic8,080counted 2017
Last inspectedJuly 2023every 24 months

Location

StateIndiana
CountyJasper
Location03.08 N SR 10
CarriesUS 231
CrossesBarnard Ditch
Coordinates41.23333, -87.20000

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length101.7 ft (31 m)
Max Span39.7 ft (12.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area406.1 sq m
Main Spans3
Year Built1961 (reconstructed 2021)

Traffic

Avg Daily Traffic8,080 (2017)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number029530

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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