Structure 6089 · Macomb County, MI

Lft Trn Lane over I-696

Carries Lft Trn Lane over I-696, In Warren W Of Hoover.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT196 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 7/9

196 ft end to end, longest span 95 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.

Built1972rebuilt 2010
Length195.9 ft59.7 m
Daily traffic3,500counted 1988
Last inspectedSeptember 2023every 24 months

Location

StateMichigan
CountyMacomb
LocationIn Warren W Of Hoover
CarriesLft Trn Lane
CrossesI-696
Coordinates42.49193, -83.00823

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length195.9 ft (59.7 m)
Max Span95.5 ft (29.1 m)
Deck Width33.1 ft (10.1 m)
Deck Area603.0 sq m
Main Spans2
Year Built1972 (reconstructed 2010)

Traffic

Avg Daily Traffic3,500 (1988)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000006089

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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