Structure 50J73 · Mower County, MN

T 112 over Bear Creek

Carries T 112 over Bear Creek, 0.9 Mi N Of Jct TH 16.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT58 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 58 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built200422 years old
Length58.4 ft17.8 m
Daily traffic30counted 2004
Last inspectedAugust 2021every 48 months

Location

StateMinnesota
CountyMower
Location0.9 Mi N Of Jct TH 16
CarriesT 112
CrossesBear Creek
Coordinates43.72337, -92.58977

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length58.4 ft (17.8 m)
Max Span12.5 ft (3.8 m)
Deck Area129.9 sq m
Main Spans4
Year Built2004

Traffic

Avg Daily Traffic30 (2004)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number50J73

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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