Structure 9293 · Saginaw County, MI

Beyer Road over Cheboyganing Creek

Carries Beyer Road over Cheboyganing Creek, 1.0 Mi N Of M-81.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

67 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 multi-beam bridge.

Built196066 years old
Length66.9 ft20.4 m
Daily traffic248counted 2010
Last inspectedApril 2024every 12 months

Location

StateMichigan
CountySaginaw
Location1.0 Mi N Of M-81
CarriesBeyer Road
CrossesCheboyganing Creek
Coordinates43.46489, -83.77800

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length66.9 ft (20.4 m)
Max Span63.0 ft (19.2 m)
Deck Width26.2 ft (8 m)
Deck Area163.2 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic248 (2010)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000000000009293

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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