Structure 2496 · Mower County, MN

T 150 over Robinson Creek

Carries T 150 over Robinson Creek, 0.5 Mi S Of Co Line.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

53 ft end to end. 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 girder bridge.

Built1917109 years old
Length53.1 ft16.2 m
Daily traffic4counted 1986
Last inspectedAugust 2024every 12 months

Location

StateMinnesota
CountyMower
Location0.5 Mi S Of Co Line
CarriesT 150
CrossesRobinson Creek
Coordinates43.83016, -92.59399

Physical Characteristics

MaterialConcrete
DesignGirder and Floorbeam
Total Length53.1 ft (16.2 m)
Max Span49.9 ft (15.2 m)
Deck Width18.7 ft (5.7 m)
Deck Area92.3 sq m
Main Spans1
Year Built1917

Traffic

Avg Daily Traffic4 (1986)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number2496

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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