Structure L8911 · Hennepin County, MN

M 766 over Midtown Greenway

Carries M 766 over Midtown Greenway, 0.1 Mi N Of Lake ST.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

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.

Built1915111 years old
Length94.5 ft28.8 m
Daily traffic786counted 2018
Last inspectedJune 2023every 24 months

Location

StateMinnesota
CountyHennepin
Location0.1 Mi N Of Lake ST
CarriesM 766
CrossesMidtown Greenway
Coordinates44.95036, -93.26647

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 Built1915

Traffic

Avg Daily Traffic786 (2018)
Lanes On Bridge2

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 NumberL8911

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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