Structure 33163 · Lake County, IN

SR 912 EB To I-80 over SR 912 I-80/ I-94 1 Ra

Carries SR 912 EB To I-80 over SR 912 I-80/ I-94 1 Ra, 00.02 W I-80.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,265 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

1,265 ft end to end, longest span 200 ft: about 3.5 football fields. 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 segmental box-girder bridge.

Built2000rebuilt 2010
Length1265.4 ft385.7 m
Daily traffic10,178counted 2020
Last inspectedOctober 2024every 24 months

Location

StateIndiana
CountyLake
Location00.02 W I-80
CarriesSR 912 EB To I-80
CrossesSR 912 I-80/ I-94 1 Ra
Coordinates41.57086, -87.43196

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignSegmental Box Girder
Total Length1265.4 ft (385.7 m)
Max Span200.1 ft (61 m)
Deck Width34.8 ft (10.6 m)
Deck Area4088.4 sq m
Main Spans9
Year Built2000 (reconstructed 2010)

Traffic

Avg Daily Traffic10,178 (2020)
Truck Traffic10%
Lanes On Bridge1
Lanes Under Bridge13

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number033163

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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