Structure 9838 · Carlton County, MN

Con 289 over I 35

Carries Con 289 over I 35, 0.3 Mi N Of Jct TH 33.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT443 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 8/9

443 ft end to end, longest span 137 ft: about 6 semi-trucks nose to tail. 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 multi-beam bridge.

Built198244 years old
Length443.2 ft135.1 m
Daily traffic2,315counted 2021
Last inspectedJune 2024every 24 months

Location

StateMinnesota
CountyCarlton
Location0.3 Mi N Of Jct TH 33
CarriesCon 289
CrossesI 35
Coordinates46.69147, -92.45323

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length443.2 ft (135.1 m)
Max Span137.1 ft (41.8 m)
Deck Width29.2 ft (8.9 m)
Deck Area1202.4 sq m
Main Spans4
Year Built1982

Traffic

Avg Daily Traffic2,315 (2021)
Truck Traffic13%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number09838

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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