Structure 86X12 · Wright County, MN

I 94 over Silver Creek

Carries I 94 over Silver Creek, 0.9 Mi E Of Jct Csah 8.

Overall conditionGood

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

How ratings work
Culvertsets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 9/9

A culvert 23 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.

Built20224 years old
Length22.6 ft6.9 m
Daily traffic43,908counted 2022
Last inspectedMay 2024every 24 months

Location

StateMinnesota
CountyWright
Location0.9 Mi E Of Jct Csah 8
CarriesI 94
CrossesSilver Creek
Coordinates45.36461, -93.95663

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length22.6 ft (6.9 m)
Max Span9.8 ft (3 m)
Deck Area235.3 sq m
Main Spans2
Year Built2022

Traffic

Avg Daily Traffic43,908 (2022)
Truck Traffic15%
Lanes On Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number86X12

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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