Structure 56814 · Otter Tail County, MN

I 94 over Csah 10

Carries I 94 over Csah 10, 7.6 Mi NW Of Jct TH 210.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT121 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 8/9Substructure 5/9 · sets the rating

121 ft end to end, longest span 47 ft. Lengths and the semi-truck 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 multi-beam bridge.

Built1967rebuilt 2015
Length121.4 ft37 m
Daily traffic6,612counted 2022
Last inspectedAugust 2023every 24 months

Location

StateMinnesota
CountyOtter Tail
Location7.6 Mi NW Of Jct TH 210
CarriesI 94
CrossesCsah 10
Coordinates46.38375, -96.18591

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length121.4 ft (37 m)
Max Span46.9 ft (14.3 m)
Deck Width41.3 ft (12.6 m)
Deck Area466.2 sq m
Main Spans3
Year Built1967 (reconstructed 2015)

Traffic

Avg Daily Traffic6,612 (2022)
Truck Traffic27%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number56814

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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