Structure R0974 · Beltrami County, MN

T 393 over Shotley Brook

Carries T 393 over Shotley Brook, 0.8 Mi N Of Jct Csah 23.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9Substructure 4/9 · sets the rating

60 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.

Built1917109 years old
Length60.0 ft18.3 m
Daily traffic1counted 2023
Last inspectedOctober 2024every 12 months

Location

StateMinnesota
CountyBeltrami
Location0.8 Mi N Of Jct Csah 23
CarriesT 393
CrossesShotley Brook
Coordinates48.08891, -94.60680

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length60.0 ft (18.3 m)
Max Span60.0 ft (18.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area100.7 sq m
Main Spans1
Year Built1917

Traffic

Avg Daily Traffic1 (2023)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical6 — Scour calculated, stable
Structure NumberR0974

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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