Structure 86521 · Wright County, MN

T 413 over N Fk Crow River

Carries T 413 over N Fk Crow River, 1.9 Mi S Of Jct Csah 35.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT105 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

105 ft end to end, longest span 41 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 tee-beam bridge.

Built200026 years old
Length105.0 ft32 m
Daily traffic74counted 1999
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyWright
Location1.9 Mi S Of Jct Csah 35
CarriesT 413
CrossesN Fk Crow River
Coordinates45.12602, -94.09354

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length105.0 ft (32 m)
Max Span40.7 ft (12.4 m)
Deck Width36.1 ft (11 m)
Deck Area352 sq m
Main Spans3
Year Built2000

Traffic

Avg Daily Traffic74 (1999)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number86521

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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