Structure 94158792 R · Burleigh County, ND

Interstate 94 over 4th Street Separation

Carries Interstate 94 over 4th Street Separation, 1 West Of US 83 North.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

145 ft end to end, longest span 61 ft: about 2 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 tee-beam bridge.

Built1965rebuilt 1985
Length145.0 ft44.2 m
Daily traffic8,850counted 2019
Last inspectedApril 2024every 24 months

Location

StateNorth Dakota
CountyBurleigh
Location1 West Of US 83 North
CarriesInterstate 94
Crosses4th Street Separation
Coordinates46.83132, -100.78625

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length145.0 ft (44.2 m)
Max Span61.0 ft (18.6 m)
Deck Width43.0 ft (13.1 m)
Deck Area579.0 sq m
Main Spans3
Year Built1965 (reconstructed 1985)

Traffic

Avg Daily Traffic8,850 (2019)
Truck Traffic11%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0094158792 R

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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