Structure 12941 · Oakland County, MI

M-5 over I-96/I-696

Carries M-5 over I-96/I-696, Novi Twp Sec 13.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT459 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

459 ft end to end, longest span 172 ft: about 6 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.

Built199234 years old
Length459.0 ft139.9 m
Daily traffic53,522counted 2007
Last inspectedNovember 2024every 24 months

Location

StateMichigan
CountyOakland
LocationNovi Twp Sec 13
CarriesM-5
CrossesI-96/I-696
Coordinates42.48460, -83.44806

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length459.0 ft (139.9 m)
Max Span171.9 ft (52.4 m)
Deck Width63.0 ft (19.2 m)
Deck Area2686.1 sq m
Main Spans4
Year Built1992

Traffic

Avg Daily Traffic53,522 (2007)
Truck Traffic1%
Lanes On Bridge3
Lanes Under Bridge5

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000012941

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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