Structure 49430 · LaPorte County, IN

Warnke Road over I-94 Eb/wb

Carries Warnke Road over I-94 Eb/wb, 00.87 E US 20.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT233 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

233 ft end to end, longest span 119 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 multi-beam bridge.

Built1969rebuilt 2001
Length232.9 ft71 m
Daily traffic113counted 2021
Last inspectedMay 2024every 24 months

Location

StateIndiana
CountyLaPorte
Location00.87 E US 20
CarriesWarnke Road
CrossesI-94 Eb/wb
Coordinates41.70619, -86.80619

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length232.9 ft (71 m)
Max Span118.8 ft (36.2 m)
Deck Width36.7 ft (11.2 m)
Deck Area795.2 sq m
Main Spans2
Year Built1969 (reconstructed 2001)

Traffic

Avg Daily Traffic113 (2021)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number049430

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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