Structure 82863 · Washington County, MN

I 494 over TH 61 NB Off Ramp

Carries I 494 over TH 61 NB Off Ramp, At The Jct TH 494; 61.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT132 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

132 ft end to end. 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.

Built200323 years old
Length131.6 ft40.1 m
Daily traffic40,000counted 2019
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyWashington
LocationAt The Jct TH 494; 61
CarriesI 494
CrossesTH 61 NB Off Ramp
Coordinates44.88736, -93.00215

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length131.6 ft (40.1 m)
Max Span126.6 ft (38.6 m)
Deck Width65.9 ft (20.1 m)
Deck Area806.0 sq m
Main Spans1
Year Built2003

Traffic

Avg Daily Traffic40,000 (2019)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge1

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 Number82863

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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