Structure 30004 · Isanti County, MN

Mn 65 over TH 95

Carries Mn 65 over TH 95, At The Jct TH 95.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT132 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

132 ft end to end. 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 multi-beam bridge.

Built199234 years old
Length131.9 ft40.2 m
Daily traffic4,900counted 2018
Last inspectedApril 2024every 24 months

Location

StateMinnesota
CountyIsanti
LocationAt The Jct TH 95
CarriesMn 65
CrossesTH 95
Coordinates45.57270, -93.21003

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length131.9 ft (40.2 m)
Max Span126.3 ft (38.5 m)
Deck Width44.0 ft (13.4 m)
Deck Area538.7 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic4,900 (2018)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number30004

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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