Structure 10076 · St. Clair County, MI

Yale Road over Eves Drain

Carries Yale Road over Eves Drain, Sec. 11-14 Greenwood Twp..

Overall conditionPoor

Set by its lowest-rated component: Deck and Substructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT50 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 4/9 · sets the rating

50 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 girder bridge.

Built1922104 years old
Length49.9 ft15.2 m
Daily traffic980counted 1994
Last inspectedDecember 2024every 12 months

Location

StateMichigan
CountySt. Clair
LocationSec. 11-14 Greenwood Twp.
CarriesYale Road
CrossesEves Drain
Coordinates43.13453, -82.66289

Physical Characteristics

MaterialConcrete
DesignGirder and Floorbeam
Total Length49.9 ft (15.2 m)
Max Span45.9 ft (14 m)
Deck Width24.6 ft (7.5 m)
Deck Area114 sq m
Main Spans1
Year Built1922

Traffic

Avg Daily Traffic980 (1994)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical5 — Stable for scour
Structure Number000000000010076

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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