Structure 19824 · Dakota County, MN

I 494 over I 35e

Carries I 494 over I 35e, At The Jct TH 494; 35e.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT413 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

413 ft end to end, longest span 126 ft: about 6 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.

Built198244 years old
Length413.1 ft125.9 m
Daily traffic47,000counted 2019
Last inspectedOctober 2023every 24 months

Location

StateMinnesota
CountyDakota
LocationAt The Jct TH 494; 35e
CarriesI 494
CrossesI 35e
Coordinates44.86268, -93.14521

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length413.1 ft (125.9 m)
Max Span125.7 ft (38.3 m)
Deck Width74.1 ft (22.6 m)
Deck Area2845.3 sq m
Main Spans4
Year Built1982

Traffic

Avg Daily Traffic47,000 (2019)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge8

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number19824

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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