Structure 61J01 · Pope County, MN

T 20 over Chippewa River

Carries T 20 over Chippewa River, 0.9 Mi W Of Jct CR 71.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 62 ft across with 4 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.

Built199531 years old
Length62.3 ft19 m
Daily traffic52counted 1995
Last inspectedSeptember 2022every 48 months

Location

StateMinnesota
CountyPope
Location0.9 Mi W Of Jct CR 71
CarriesT 20
CrossesChippewa River
Coordinates45.47036, -95.70414

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length62.3 ft (19 m)
Max Span12.1 ft (3.7 m)
Deck Area161.5 sq m
Main Spans4
Year Built1995

Traffic

Avg Daily Traffic52 (1995)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number61J01

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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