Structure 49129050 · Traill County, ND

County Highway over Red River Of The North

Carries County Highway over Red River Of The North, 9 East 1 North Buxton.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT757 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 5/9

757 ft end to end, longest span 220 ft: about 2.1 football fields. 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 through truss.

Built195769 years old
Length756.9 ft230.7 m
Daily traffic340counted 2018
Last inspectedSeptember 2024every 12 months

Location

StateNorth Dakota
CountyTraill
Location9 East 1 North Buxton
CarriesCounty Highway
CrossesRed River Of The North
Coordinates47.60784, -96.85511

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length756.9 ft (230.7 m)
Max Span220.1 ft (67.1 m)
Deck Width25.9 ft (7.9 m)
Deck Area1822.5 sq m
Main Spans2
Year Built1957

Traffic

Avg Daily Traffic340 (2018)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical8 — Stable, low risk
Structure Number000000049129050

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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