Structure FRGO32 · Cass County, ND

40th AVE SW over Rose Creek

Carries 40th AVE SW over Rose Creek, 40th AVE Sw-prairie Rose.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT74 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

74 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 box-beam bridge.

Built199531 years old
Length74.1 ft22.6 m
Daily traffic550counted 2019
Last inspectedJune 2023every 24 months

Location

StateNorth Dakota
CountyCass
Location40th AVE Sw-prairie Rose
Carries40th AVE SW
CrossesRose Creek
Coordinates46.81804, -96.82680

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length74.1 ft (22.6 m)
Max Span69.9 ft (21.3 m)
Deck Width62.7 ft (19.1 m)
Deck Area431.7 sq m
Main Spans1
Year Built1995

Traffic

Avg Daily Traffic550 (2019)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000FRGO32

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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