Structure 42538 · Lyon County, MN

Csah 26 over Stream

Carries Csah 26 over Stream, 0.1 Mi E Of Jct Csah 1.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT80 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

80 ft end to end, longest span 39 ft. 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 tee-beam bridge.

Built198541 years old
Length79.7 ft24.3 m
Daily traffic60counted 2018
Last inspectedOctober 2024every 24 months

Location

StateMinnesota
CountyLyon
Location0.1 Mi E Of Jct Csah 1
CarriesCsah 26
CrossesStream
Coordinates44.60153, -96.05006

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length79.7 ft (24.3 m)
Max Span38.7 ft (11.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area260.0 sq m
Main Spans2
Year Built1985

Traffic

Avg Daily Traffic60 (2018)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number42538

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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