Structure 9144 · Ramsey County, MN

I 94 over TH 120

Carries I 94 over TH 120, At The Jct TH 120; 94.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT168 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

168 ft end to end, longest span 81 ft: about 2 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.

Built196264 years old
Length167.7 ft51.1 m
Daily traffic35,898counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyRamsey
LocationAt The Jct TH 120; 94
CarriesI 94
CrossesTH 120
Coordinates44.94834, -92.98583

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length167.7 ft (51.1 m)
Max Span81.0 ft (24.7 m)
Deck Width55.4 ft (16.9 m)
Deck Area863.6 sq m
Main Spans2
Year Built1962

Traffic

Avg Daily Traffic35,898 (2022)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number9144

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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