Structure 94279636 · Barnes County, ND

County Highway over I-94/WEST Sanborn Sep

Carries County Highway over I-94/WEST Sanborn Sep, 4 West Of Nd 1 North.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT210 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

210 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.

Built195868 years old
Length210.0 ft64 m
Daily traffic20counted 2020
Last inspectedNovember 2023every 24 months

Location

StateNorth Dakota
CountyBarnes
Location4 West Of Nd 1 North
CarriesCounty Highway
CrossesI-94/WEST Sanborn Sep
Coordinates46.90693, -98.27007

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length210.0 ft (64 m)
Max Span59.1 ft (18 m)
Deck Width28.9 ft (8.8 m)
Deck Area563.2 sq m
Main Spans4
Year Built1958

Traffic

Avg Daily Traffic20 (2020)
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0094279636

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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