Structure 76648 · Marion County, IN

I-465 SB & Cd over US 40 Eb/wb & Cd

Carries I-465 SB & Cd over US 40 Eb/wb & Cd, 01.15 S US 36.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT191 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

191 ft end to end, longest span 107 ft: about 3 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 tee-beam bridge.

Built201016 years old
Length190.9 ft58.2 m
Daily traffic71,031counted 2021
Last inspectedJune 2024every 24 months

Location

StateIndiana
CountyMarion
Location01.15 S US 36
CarriesI-465 SB & Cd
CrossesUS 40 Eb/wb & Cd
Coordinates39.74833, -86.26485

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length190.9 ft (58.2 m)
Max Span107.0 ft (32.6 m)
Deck Width111.2 ft (33.9 m)
Deck Area1973.0 sq m
Main Spans2
Year Built2010

Traffic

Avg Daily Traffic71,031 (2021)
Truck Traffic18%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number076648

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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