Structure 62639 · Ramsey County, MN

Msas 145 over Ayd Mill; Hague; Cp Rail

Carries Msas 145 over Ayd Mill; Hague; Cp Rail, At The Jct Ayd Mill RD.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT386 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

386 ft end to end, longest span 123 ft: about 5 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.

Built201313 years old
Length386.2 ft117.7 m
Daily traffic8,000counted 2014
Last inspectedMay 2024every 24 months

Location

StateMinnesota
CountyRamsey
LocationAt The Jct Ayd Mill RD
CarriesMsas 145
CrossesAyd Mill; Hague; Cp Rail
Coordinates44.94511, -93.15685

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length386.2 ft (117.7 m)
Max Span123.0 ft (37.5 m)
Deck Width68.9 ft (21 m)
Deck Area2471.7 sq m
Main Spans5
Year Built2013

Traffic

Avg Daily Traffic8,000 (2014)
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number62639

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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