Structure L8922 · Hennepin County, MN

M 1062 over Midtown Greenway

Carries M 1062 over Midtown Greenway, 0.1 Mi N Of Lake ST.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

94 ft end to end, longest span 31 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.

Built1916110 years old
Length94.5 ft28.8 m
Daily traffic1,822counted 2018
Last inspectedJune 2023every 24 months

Location

StateMinnesota
CountyHennepin
Location0.1 Mi N Of Lake ST
CarriesM 1062
CrossesMidtown Greenway
Coordinates44.95033, -93.24995

Physical Characteristics

MaterialConcrete Continuous
DesignStringer/Multi-beam
Total Length94.5 ft (28.8 m)
Max Span31.5 ft (9.6 m)
Deck Width50.9 ft (15.5 m)
Deck Area446.4 sq m
Main Spans3
Year Built1916

Traffic

Avg Daily Traffic1,822 (2018)
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour CriticalNot applicable
Structure NumberL8922

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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