Structure 70525 · Scott County, MN

US 169 over TH 169r WB

Carries US 169 over TH 169r WB, 7.1 Mi SW Of Jct TH 494.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT453 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

453 ft end to end, longest span 212 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.

Built199432 years old
Length452.8 ft138 m
Daily traffic21,671counted 2022
Last inspectedMay 2023every 24 months

Location

StateMinnesota
CountyScott
Location7.1 Mi SW Of Jct TH 494
CarriesUS 169
CrossesTH 169r WB
Coordinates44.78376, -93.42112

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length452.8 ft (138 m)
Max Span211.9 ft (64.6 m)
Deck Width44.3 ft (13.5 m)
Deck Area1,863 sq m
Main Spans3
Year Built1994

Traffic

Avg Daily Traffic21,671 (2022)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number70525

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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