Structure 13672 · Benzie County, MI

Reynolds Road over Platte River

Carries Reynolds Road over Platte River, 3.3 Mi N Of Us-31.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

66 ft end to end, longest span 30 ft. 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.

Built201214 years old
Length65.9 ft20.1 m
Daily traffic1,133counted 2007
Last inspectedAugust 2024every 24 months

Location

StateMichigan
CountyBenzie
Location3.3 Mi N Of Us-31
CarriesReynolds Road
CrossesPlatte River
Coordinates44.70683, -85.86164

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length65.9 ft (20.1 m)
Max Span29.9 ft (9.1 m)
Deck Width36.1 ft (11 m)
Deck Area221.1 sq m
Main Spans3
Year Built2012

Traffic

Avg Daily Traffic1,133 (2007)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000013672

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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