Structure 94351596 · Cass County, ND

Interstate 94 over US 81

Carries Interstate 94 over US 81, I-94-US 81 Intchnge-fargo.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT203 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 8/9Substructure 5/9 · sets the rating

203 ft end to end, longest span 59 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built199333 years old
Length203.1 ft61.9 m
Daily traffic49,800counted 2019
Last inspectedAugust 2023every 24 months

Location

StateNorth Dakota
CountyCass
LocationI-94-US 81 Intchnge-fargo
CarriesInterstate 94
CrossesUS 81
Coordinates46.84861, -96.79864

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length203.1 ft (61.9 m)
Max Span59.1 ft (18 m)
Deck Width137.5 ft (41.9 m)
Deck Area2593.6 sq m
Main Spans4
Year Built1993

Traffic

Avg Daily Traffic49,800 (2019)
Truck Traffic8%
Lanes On Bridge6
Lanes Under Bridge7

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0094351596

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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