Structure 2547 · Anoka County, MN

Msas 122 over Bnsf Rr

Carries Msas 122 over Bnsf Rr, 0.5 Mi N Of Jct TH 10.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT158 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

158 ft end to end, longest span 62 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built198640 years old
Length158.5 ft48.3 m
Daily traffic6,388counted 2021
Last inspectedNovember 2023every 24 months

Location

StateMinnesota
CountyAnoka
Location0.5 Mi N Of Jct TH 10
CarriesMsas 122
CrossesBnsf Rr
Coordinates45.21664, -93.41268

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length158.5 ft (48.3 m)
Max Span62.0 ft (18.9 m)
Deck Width62.3 ft (19 m)
Deck Area917.7 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic6,388 (2021)
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number02547

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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