Structure 13043 · Missaukee County, MI

Mcgee Road over Mosquito Creek

Carries Mcgee Road over Mosquito Creek, Sec 21/22 T22n R7w.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · 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 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

26 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 slab bridge.

Built200026 years old
Length25.9 ft7.9 m
Daily traffic112counted 2007
Last inspectedMay 2023every 24 months

Location

StateMichigan
CountyMissaukee
LocationSec 21/22 T22n R7w
CarriesMcgee Road
CrossesMosquito Creek
Coordinates44.28895, -85.17516

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length25.9 ft (7.9 m)
Max Span24.9 ft (7.6 m)
Deck Width27.9 ft (8.5 m)
Deck Area67.2 sq m
Main Spans1
Year Built2000

Traffic

Avg Daily Traffic112 (2007)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000013043

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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