Structure 2586 · Genesee County, MI

I-69 EB over M-54|s Dort HWY

Carries I-69 EB over M-54|s Dort HWY, In Flint.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT134 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

134 ft end to end, longest span 66 ft. 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.

Built201511 years old
Length134.2 ft40.9 m
Daily traffic96,200counted 2014
Last inspectedAugust 2023every 24 months

Location

StateMichigan
CountyGenesee
LocationIn Flint
CarriesI-69 EB
CrossesM-54|s Dort HWY
Coordinates43.01197, -83.65430

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length134.2 ft (40.9 m)
Max Span65.9 ft (20.1 m)
Deck Width158.8 ft (48.4 m)
Deck Area1979.6 sq m
Main Spans2
Year Built2015

Traffic

Avg Daily Traffic96,200 (2014)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000002586

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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