Structure 62864 · Ramsey County, MN

I 35e over Ayd Mill RD

Carries I 35e over Ayd Mill RD, 0.9 Mi N Of Jct TH 5.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT212 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

212 ft end to end, longest span 85 ft: about 3 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.

Built197155 years old
Length211.6 ft64.5 m
Daily traffic67,924counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyRamsey
Location0.9 Mi N Of Jct TH 5
CarriesI 35e
CrossesAyd Mill RD
Coordinates44.92907, -93.14358

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length211.6 ft (64.5 m)
Max Span84.6 ft (25.8 m)
Deck Width105.0 ft (32 m)
Deck Area2,064 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic67,924 (2022)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge2

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 Number62864

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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