Structure 13400 · Pulaski County, IN

SR 39 over Harp Ditch #2

Carries SR 39 over Harp Ditch #2, 02.87 N SR 16.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

32 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 deck arch.

Built1950rebuilt 2001
Length31.8 ft9.7 m
Daily traffic1,355counted 2004
Last inspectedDecember 2023every 24 months

Location

StateIndiana
CountyPulaski
Location02.87 N SR 16
CarriesSR 39
CrossesHarp Ditch #2
Coordinates40.92548, -86.77650

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length31.8 ft (9.7 m)
Max Span29.9 ft (9.1 m)
Deck Width39.0 ft (11.9 m)
Deck Area115.4 sq m
Main Spans1
Year Built1950 (reconstructed 2001)

Traffic

Avg Daily Traffic1,355 (2004)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number013400

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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