Structure 67545 · Rock County, MN

T 142 over Beaver Creek

Carries T 142 over Beaver Creek, 0.3 Mi N Of Jct Csah 4.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT88 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

88 ft end to end, longest span 33 ft. Lengths and the car 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 slab bridge.

Built200125 years old
Length87.6 ft26.7 m
Daily traffic35counted 1990
Last inspectedOctober 2024every 24 months

Location

StateMinnesota
CountyRock
Location0.3 Mi N Of Jct Csah 4
CarriesT 142
CrossesBeaver Creek
Coordinates43.59384, -96.45334

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length87.6 ft (26.7 m)
Max Span33.1 ft (10.1 m)
Deck Width31.2 ft (9.5 m)
Deck Area253.7 sq m
Main Spans3
Year Built2001

Traffic

Avg Daily Traffic35 (1990)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number67545

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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