Structure 97111 · St. Louis County, MN

Csah 110 over Shiver Creek

Carries Csah 110 over Shiver Creek, 2.4 Mi N Of Jct Csah 16.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 28 ft across with 2 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.

Built199135 years old
Length27.9 ft8.5 m
Daily traffic320counted 2019
Last inspectedOctober 2024every 48 months

Location

StateMinnesota
CountySt. Louis
Location2.4 Mi N Of Jct Csah 16
CarriesCsah 110
CrossesShiver Creek
Coordinates47.40441, -92.02494

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.9 ft (8.5 m)
Max Span10.8 ft (3.3 m)
Deck Area93.5 sq m
Main Spans2
Year Built1991

Traffic

Avg Daily Traffic320 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number97111

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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