Structure L3942 · Crow Wing County, MN

T 1331 over Nokasippi River

Carries T 1331 over Nokasippi River, 0.2 Mi N Of Jct Csah 2.

Overall conditionPoor

Set by its lowest-rated component: Deck at 0 of 9.

How ratings work
Decksets the rating0/9 · Failed
Superstructure1/9 · Imminent Failure
Substructure2/9 · Critical
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT51 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 0/9 · sets the ratingSuperstructure 1/9Substructure 2/9

51 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 through truss.

Built1908118 years old
Length50.9 ft15.5 m
Daily traffic20counted 1973
Last inspectedNovember 2024every 12 months

Location

StateMinnesota
CountyCrow Wing
Location0.2 Mi N Of Jct Csah 2
CarriesT 1331
CrossesNokasippi River
Coordinates46.20368, -94.31375

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length50.9 ft (15.5 m)
Max Span49.9 ft (15.2 m)
Deck Width17.7 ft (5.4 m)
Deck Area83.7 sq m
Main Spans1
Year Built1908

Traffic

Avg Daily Traffic20 (1973)
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure NumberL3942

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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