Structure 7918 · Oakland County, MI

I-696 over M-10

Carries I-696 over M-10, In Southfield.

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 FT301 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

301 ft end to end, longest span 157 ft: 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 multi-beam bridge.

Built1967rebuilt 1988
Length300.9 ft91.7 m
Daily traffic122,300counted 2007
Last inspectedDecember 2024every 4 months

Location

StateMichigan
CountyOakland
LocationIn Southfield
CarriesI-696
CrossesM-10
Coordinates42.48547, -83.26675

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length300.9 ft (91.7 m)
Max Span157.2 ft (47.9 m)
Deck Width125.0 ft (38.1 m)
Deck Area3493.8 sq m
Main Spans3
Year Built1967 (reconstructed 1988)

Traffic

Avg Daily Traffic122,300 (2007)
Truck Traffic7%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 4 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000007918

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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