Structure 35520 · Bartholomew County, IN

I-65 over SR 46

Carries I-65 over SR 46, 04.57 N SR 58.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT293 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 8/9

293 ft end to end: about 4 semi-trucks nose to tail. Lengths and the semi-truck 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 arch.

Built1996rebuilt 2023
Length293.0 ft89.3 m
Daily traffic47,435counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateIndiana
CountyBartholomew
Location04.57 N SR 58
CarriesI-65
CrossesSR 46
Coordinates39.20036, -85.95807

Physical Characteristics

MaterialSteel
DesignArch - Thru
Total Length293.0 ft (89.3 m)
Max Span197.2 ft (60.1 m)
Deck Width96.5 ft (29.4 m)
Deck Area2625.4 sq m
Main Spans1
Year Built1996 (reconstructed 2023)

Traffic

Avg Daily Traffic47,435 (2021)
Truck Traffic30%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number035520

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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