Structure 32510-00058 · Marshall County, MN

Dahl Pool Road over Ditch 11

Carries Dahl Pool Road over Ditch 11, Sec 23 T156n R41w.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
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 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

67 ft end to end, longest span 22 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 multi-beam bridge.

Built199036 years old
Length66.9 ft20.4 m
Daily traffic10counted 2021
Last inspectedJuly 2021every 24 months

Location

StateMinnesota
CountyMarshall
LocationSec 23 T156n R41w
CarriesDahl Pool Road
CrossesDitch 11
Coordinates48.32383, -95.89550

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length66.9 ft (20.4 m)
Max Span22.0 ft (6.7 m)
Deck Width21.3 ft (6.5 m)
Deck Area132.6 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic10 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2021
Inspection FrequencyEvery 24 months
OwnerCode 63
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000032510-00058

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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