Structure 18118050 · Grand Forks County, ND

County Highway over Creek

Carries County Highway over Creek, 2 West 2 South Johnstown.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
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 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

33 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 through truss.

Built1950rebuilt 1999
Length33.1 ft10.1 m
Daily traffic25counted 2019
Last inspectedAugust 2023every 24 months

Location

StateNorth Dakota
CountyGrand Forks
Location2 West 2 South Johnstown
CarriesCounty Highway
CrossesCreek
Coordinates48.13041, -97.51426

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length33.1 ft (10.1 m)
Max Span30.8 ft (9.4 m)
Deck Width18.0 ft (5.5 m)
Deck Area55.5 sq m
Main Spans1
Year Built1950 (reconstructed 1999)

Traffic

Avg Daily Traffic25 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000018118050

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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