Structure 62553 · Ramsey County, MN

Osar 1 over Bnsf Rr

Carries Osar 1 over Bnsf Rr, 0.2 Mi S Of Jct Como AVE.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT893 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

893 ft end to end, longest span 135 ft: about 2.5 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 multi-beam bridge.

Built199234 years old
Length893.4 ft272.3 m
Daily traffic300counted 1992
Last inspectedAugust 2023every 24 months

Location

StateMinnesota
CountyRamsey
Location0.2 Mi S Of Jct Como AVE
CarriesOsar 1
CrossesBnsf Rr
Coordinates44.97430, -93.18139

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length893.4 ft (272.3 m)
Max Span134.8 ft (41.1 m)
Deck Width39.4 ft (12 m)
Deck Area3267.6 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic300 (1992)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerOther State Agencies
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number62553

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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