Structure 868 · Berrien County, MI

M-139 over Big Meadow Drain

Carries M-139 over Big Meadow Drain, 0.9 Mi N Of Scottdale.

Overall conditionFair

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

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 6/9

28 ft end to end. 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 deck arch.

Built1899127 years old
Length27.9 ft8.5 m
Daily traffic9,000counted 2013
Last inspectedApril 2024every 24 months

Location

StateMichigan
CountyBerrien
Location0.9 Mi N Of Scottdale
CarriesM-139
CrossesBig Meadow Drain
Coordinates42.05367, -86.43648

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length27.9 ft (8.5 m)
Max Span27.9 ft (8.5 m)
Deck Width54.8 ft (16.7 m)
Deck Area141.9 sq m
Main Spans1
Year Built1899

Traffic

Avg Daily Traffic9,000 (2013)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000000000868

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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