Structure 86J03 · Wright County, MN

T 18 over Co Ditch 10

Carries T 18 over Co Ditch 10, 0.5 Mi N Of Jct Csah 30.

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
20 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 20 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built199927 years old
Length20.3 ft6.2 m
Daily traffic40counted 1990
Last inspectedOctober 2022every 48 months

Location

StateMinnesota
CountyWright
Location0.5 Mi N Of Jct Csah 30
CarriesT 18
CrossesCo Ditch 10
Coordinates45.02201, -94.05488

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length20.3 ft (6.2 m)
Max Span7.9 ft (2.4 m)
Deck Area45.3 sq m
Main Spans2
Year Built1999

Traffic

Avg Daily Traffic40 (1990)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number86J03

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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