Structure 50586 · Mower County, MN

Msas 152 over Dobbins Creek

Carries Msas 152 over Dobbins Creek, 0.1 Mi S Of Oakland AVE.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT106 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

106 ft end to end, longest span 51 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 slab bridge.

Built200719 years old
Length106.0 ft32.3 m
Daily traffic1,100counted 2016
Last inspectedJune 2023every 24 months

Location

StateMinnesota
CountyMower
Location0.1 Mi S Of Oakland AVE
CarriesMsas 152
CrossesDobbins Creek
Coordinates43.66563, -92.95724

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length106.0 ft (32.3 m)
Max Span50.9 ft (15.5 m)
Deck Width48.6 ft (14.8 m)
Deck Area478.0 sq m
Main Spans3
Year Built2007

Traffic

Avg Daily Traffic1,100 (2016)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number50586

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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