Structure 32115320 · Nelson County, ND

County Highway over Sheyenne River

Carries County Highway over Sheyenne River, 2 West 1 South Mcville.

Overall conditionPoor

Set by its lowest-rated component: Superstructure and Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT78 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

78 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 through truss.

Built1904122 years old
Length78.1 ft23.8 m
Daily traffic5counted 2017
Last inspectedAugust 2024every 12 months

Location

StateNorth Dakota
CountyNelson
Location2 West 1 South Mcville
CarriesCounty Highway
CrossesSheyenne River
Coordinates47.73718, -98.21861

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length78.1 ft (23.8 m)
Max Span73.2 ft (22.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area130.9 sq m
Main Spans1
Year Built1904

Traffic

Avg Daily Traffic5 (2017)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour CriticalUnknown
Structure Number000000032115320

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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