Structure 13276 · Lenawee County, MI

Gorman RD over Big Meadow Drain

Carries Gorman RD over Big Meadow Drain, 0.1 Mi E Of Scott HWY.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 3 of 9.

How ratings work
Culvertsets the rating3/9 · Serious
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 3/9

A culvert 24 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built197848 years old
Length24.3 ft7.4 m
Daily traffic512counted 2010
Last inspectedDecember 2024every 12 months

Location

StateMichigan
CountyLenawee
Location0.1 Mi E Of Scott HWY
CarriesGorman RD
CrossesBig Meadow Drain
Coordinates41.82585, -83.94078

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.3 ft (7.4 m)
Max Span10.8 ft (3.3 m)
Deck Area67.3 sq m
Main Spans2
Year Built1978

Traffic

Avg Daily Traffic512 (2010)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000013276

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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