Structure 9410 · Saginaw County, MI

Cole Road over Birch Run Creek

Carries Cole Road over Birch Run Creek, 1.3 Mi N Of Fry Road.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 3/9 · sets the ratingSubstructure 5/9

52 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.

Built1910rebuilt 2001
Length51.8 ft15.8 m
Daily traffic7counted 2007
Last inspectedMay 2024every 12 months

Location

StateMichigan
CountySaginaw
Location1.3 Mi N Of Fry Road
CarriesCole Road
CrossesBirch Run Creek
Coordinates43.31276, -83.94338

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length51.8 ft (15.8 m)
Max Span49.9 ft (15.2 m)
Deck Width16.7 ft (5.1 m)
Deck Area80.6 sq m
Main Spans1
Year Built1910 (reconstructed 2001)

Traffic

Avg Daily Traffic7 (2007)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000000000009410

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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