Structure 12938 · Ottawa County, MI

I-196 WB To M-6 EB over I-196 EB

Carries I-196 WB To M-6 EB over I-196 EB, Georgetown Twp 35.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT268 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

268 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 box-beam bridge.

Built200422 years old
Length267.7 ft81.6 m
Daily traffic700counted 2001
Last inspectedSeptember 2024every 24 months

Location

StateMichigan
CountyOttawa
LocationGeorgetown Twp 35
CarriesI-196 WB To M-6 EB
CrossesI-196 EB
Coordinates42.86296, -85.81519

Physical Characteristics

MaterialSteel
DesignBox Beam - Single/Spread
Total Length267.7 ft (81.6 m)
Max Span260.2 ft (79.3 m)
Deck Width33.8 ft (10.3 m)
Deck Area840.5 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic700 (2001)
Truck Traffic8%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000012938

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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