Structure 11405 · Wayne County, MI

Forest AVE over M-10

Carries Forest AVE over M-10, In Detroit.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

111 ft end to end, longest span 55 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.

Built1950rebuilt 1994
Length110.9 ft33.8 m
Daily traffic13,6706 lanes
Last inspectedAugust 2024every 24 months

Location

StateMichigan
CountyWayne
LocationIn Detroit
CarriesForest AVE
CrossesM-10
Coordinates42.35162, -83.07208

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length110.9 ft (33.8 m)
Max Span54.8 ft (16.7 m)
Deck Width103.0 ft (31.4 m)
Deck Area1061.3 sq m
Main Spans2
Year Built1950 (reconstructed 1994)

Traffic

Avg Daily Traffic13,670
Truck Traffic3%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000011405

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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