Structure 8109260 · Burleigh County, ND

136th Ave. NE over Burnt Creek

Carries 136th Ave. NE over Burnt Creek, 8 North Of Bismarck.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

37 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 channel-beam bridge.

Built197056 years old
Length37.1 ft11.3 m
Daily traffic35counted 2019
Last inspectedJuly 2023every 24 months

Location

StateNorth Dakota
CountyBurleigh
Location8 North Of Bismarck
Carries136th Ave. NE
CrossesBurnt Creek
Coordinates46.95407, -100.77137

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length37.1 ft (11.3 m)
Max Span34.1 ft (10.4 m)
Deck Width25.6 ft (7.8 m)
Deck Area88.1 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic35 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000008109260

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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