Structure 1113040 · Adams County, ND

17th AVE NW over Cedar Creek

Carries 17th AVE NW over Cedar Creek, 4 West 15 North Hettinger.

Overall conditionPoor

Set by its lowest-rated component: Superstructure and Substructure at 3 of 9.

How ratings work
Deck4/9 · Poor
Superstructuresets the rating3/9 · Serious
Substructuresets the rating3/9 · Serious
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT51 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 3/9 · sets the ratingSubstructure 3/9 · sets the rating

51 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.

Built1925101 years old
Length50.9 ft15.5 m
Daily traffic1counted 2019
Last inspectedAugust 2019every 24 months

Location

StateNorth Dakota
CountyAdams
Location4 West 15 North Hettinger
Carries17th AVE NW
CrossesCedar Creek
Coordinates46.23515, -102.73038

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length50.9 ft (15.5 m)
Max Span48.9 ft (14.9 m)
Deck Width16.1 ft (4.9 m)
Deck Area76.0 sq m
Main Spans1
Year Built1925

Traffic

Avg Daily Traffic1 (2019)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2019
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000001113040

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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