Structure 9138290 · Cass County, ND

County Highway over Sheyenne Diversion

Carries County Highway over Sheyenne Diversion, 4 South 1 West West Fargo.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 40 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.

Built199135 years old
Length40.0 ft12.2 m
Daily traffic170counted 2017
Last inspectedJune 2023every 24 months

Location

StateNorth Dakota
CountyCass
Location4 South 1 West West Fargo
CarriesCounty Highway
CrossesSheyenne Diversion
Coordinates46.81898, -96.92392

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length40.0 ft (12.2 m)
Max Span12.1 ft (3.7 m)
Deck Area111.0 sq m
Main Spans3
Year Built1991

Traffic

Avg Daily Traffic170 (2017)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000009138290

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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