Structure 50140160 · Walsh County, ND

County Road over Ditch

Carries County Road over Ditch, 1 West 6 South Of Grafton.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

25 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1979rebuilt 1999
Length24.9 ft7.6 m
Daily traffic26counted 2014
Last inspectedOctober 2024every 24 months

Location

StateNorth Dakota
CountyWalsh
Location1 West 6 South Of Grafton
CarriesCounty Road
CrossesDitch
Coordinates48.32515, -97.44848

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length24.9 ft (7.6 m)
Max Span22.0 ft (6.7 m)
Deck Width24.0 ft (7.3 m)
Deck Area55.5 sq m
Main Spans1
Year Built1979 (reconstructed 1999)

Traffic

Avg Daily Traffic26 (2014)
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 CriticalUnknown
Structure Number000000050140160

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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