Structure 6700017 · Putnam County, IN

CR 1350n over Cornstalk Creek

Carries CR 1350n over Cornstalk Creek, 00.80 W Of CR 50 W.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT84 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

84 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 through truss.

Built1917rebuilt 1990
Length84.0 ft25.6 m
Daily traffic110counted 2023
Last inspectedMay 2024every 24 months

Location

StateIndiana
CountyPutnam
Location00.80 W Of CR 50 W
CarriesCR 1350n
CrossesCornstalk Creek
Coordinates39.86308, -86.86871

Physical Characteristics

MaterialWood or Timber
DesignTruss - Thru
Total Length84.0 ft (25.6 m)
Max Span79.7 ft (24.3 m)
Deck Width16.1 ft (4.9 m)
Deck Area125.4 sq m
Main Spans1
Year Built1917 (reconstructed 1990)

Traffic

Avg Daily Traffic110 (2023)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical5 — Stable for scour
Structure Number6700017

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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