Structure 6195 · Macomb County, MI

EB Metro Parkway over Red Run Drain

Carries EB Metro Parkway over Red Run Drain, 0.1 Mi West Of Utica RD.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT190 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

190 ft end to end, longest span 49 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 box-beam bridge.

Built1958rebuilt 2005
Length190.0 ft57.9 m
Daily traffic18,230counted 2011
Last inspectedApril 2023every 24 months

Location

StateMichigan
CountyMacomb
Location0.1 Mi West Of Utica RD
CarriesEB Metro Parkway
CrossesRed Run Drain
Coordinates42.56644, -82.97086

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length190.0 ft (57.9 m)
Max Span48.6 ft (14.8 m)
Deck Width57.1 ft (17.4 m)
Deck Area1007.5 sq m
Main Spans4
Year Built1958 (reconstructed 2005)

Traffic

Avg Daily Traffic18,230 (2011)
Truck Traffic10%
Lanes On Bridge3

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000006195

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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