Structure 13005 · Chisago County, MN

Mn 95 over Sunrise River

Carries Mn 95 over Sunrise River, 7.1 Mi East Of Jct TH 35.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT104 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 8/9Substructure 5/9 · sets the rating

104 ft end to end. 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.

Built199432 years old
Length103.7 ft31.6 m
Daily traffic2,237counted 2022
Last inspectedAugust 2023every 24 months

Location

StateMinnesota
CountyChisago
Location7.1 Mi East Of Jct TH 35
CarriesMn 95
CrossesSunrise River
Coordinates45.51323, -92.85367

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length103.7 ft (31.6 m)
Max Span99.4 ft (30.3 m)
Deck Width47.2 ft (14.4 m)
Deck Area455.0 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic2,237 (2022)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number13005

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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