Structure 5159291 · Bottineau County, ND

County Road over Willow Creek

Carries County Road over Willow Creek, 4e 1s Of Willow City.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

28 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 tee-beam bridge.

Built1948rebuilt 1990
Length27.9 ft8.5 m
Daily traffic35counted 2018
Last inspectedAugust 2023every 24 months

Location

StateNorth Dakota
CountyBottineau
Location4e 1s Of Willow City
CarriesCounty Road
CrossesWillow Creek
Coordinates48.59408, -100.21133

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length27.9 ft (8.5 m)
Max Span24.9 ft (7.6 m)
Deck Width28.2 ft (8.6 m)
Deck Area73.1 sq m
Main Spans1
Year Built1948 (reconstructed 1990)

Traffic

Avg Daily Traffic35 (2018)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000005159291

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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