Structure 77J40 · Todd County, MN

T 344 over Wing River

Carries T 344 over Wing River, 0.5 Mi W Of Jct Csah 1.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT42 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 42 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built200125 years old
Length42.0 ft12.8 m
Daily traffic20counted 2001
Last inspectedAugust 2023every 48 months

Location

StateMinnesota
CountyTodd
Location0.5 Mi W Of Jct Csah 1
CarriesT 344
CrossesWing River
Coordinates46.23774, -95.11651

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length42.0 ft (12.8 m)
Max Span12.1 ft (3.7 m)
Deck Area108.8 sq m
Main Spans3
Year Built2001

Traffic

Avg Daily Traffic20 (2001)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number77J40

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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