Structure 37019759 · McLean County, ND

Irrfb Nd Hiway 37 over Deep Water Creek

Carries Irrfb Nd Hiway 37 over Deep Water Creek, 3 East Of N.d. HWY 1804.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT90 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

90 ft end to end, longest span 33 ft. 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 slab bridge.

Built197056 years old
Length89.9 ft27.4 m
Daily traffic300counted 2019
Last inspectedAugust 2024every 24 months

Location

StateNorth Dakota
CountyMcLean
Location3 East Of N.d. HWY 1804
CarriesIrrfb Nd Hiway 37
CrossesDeep Water Creek
Coordinates47.74634, -102.04615

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length89.9 ft (27.4 m)
Max Span33.1 ft (10.1 m)
Deck Width36.7 ft (11.2 m)
Deck Area306.9 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic300 (2019)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0037019759

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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