Structure 49J99 · Morrison County, MN

T 141 over Two Rivers

Carries T 141 over Two Rivers, 0.1 Mi S Of Jct TH 238.

Overall conditionGood

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

How ratings work
Culvertsets the rating9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 9/9

A culvert 30 ft across with 2 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.

Built20215 years old
Length29.9 ft9.1 m
Daily traffic50counted 2021
Last inspectedNovember 2021every 48 months

Location

StateMinnesota
CountyMorrison
Location0.1 Mi S Of Jct TH 238
CarriesT 141
CrossesTwo Rivers
Coordinates45.83256, -94.45182

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length29.9 ft (9.1 m)
Max Span13.8 ft (4.2 m)
Deck Area77.3 sq m
Main Spans2
Year Built2021

Traffic

Avg Daily Traffic50 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number49J99

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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