Structure 22096667 · Dunn County, ND

Nd Highway 22 over Creek

Carries Nd Highway 22 over Creek, 1 North Of Manning.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 31 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built1949rebuilt 2015
Length30.8 ft9.4 m
Daily traffic1,430counted 2019
Last inspectedSeptember 2024every 24 months

Location

StateNorth Dakota
CountyDunn
Location1 North Of Manning
CarriesNd Highway 22
CrossesCreek
Coordinates47.24550, -102.76804

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span9.8 ft (3 m)
Deck Area137.2 sq m
Main Spans3
Year Built1949 (reconstructed 2015)

Traffic

Avg Daily Traffic1,430 (2019)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0022096667

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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