Structure 89153 · Stearns County, MN

Csah 52 over Spunk Creek

Carries Csah 52 over Spunk Creek, 0.8 Mi W Of Jct Cr151.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT43 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

43 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built194086 years old
Length42.7 ft13 m
Daily traffic510counted 2017
Last inspectedDecember 2023every 24 months

Location

StateMinnesota
CountyStearns
Location0.8 Mi W Of Jct Cr151
CarriesCsah 52
CrossesSpunk Creek
Coordinates45.67313, -94.42327

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length42.7 ft (13 m)
Max Span40.0 ft (12.2 m)
Deck Width30.5 ft (9.3 m)
Deck Area120.9 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic510 (2017)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number89153

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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