Structure 7901 · Oakland County, MI

I-696 over Drake RD

Carries I-696 over Drake RD, 2.7mi E Of I-96 Over Drak.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT108 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

108 ft end to end, longest span 40 ft. Lengths and the car 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.

Built1960rebuilt 2009
Length107.9 ft32.9 m
Daily traffic180,375counted 2022
Last inspectedDecember 2024every 19 months

Location

StateMichigan
CountyOakland
Location2.7mi E Of I-96 Over Drak
CarriesI-696
CrossesDrake RD
Coordinates42.49397, -83.39747

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length107.9 ft (32.9 m)
Max Span39.7 ft (12.1 m)
Deck Width143.4 ft (43.7 m)
Deck Area1437.7 sq m
Main Spans3
Year Built1960 (reconstructed 2009)

Traffic

Avg Daily Traffic180,375 (2022)
Truck Traffic5%
Lanes On Bridge8
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 19 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000007901

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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