Structure L7232 · Martin County, MN

T 329 over Elm Creek

Carries T 329 over Elm Creek, 2.3 Mi W Of Jct Cr. 107.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

39 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.

Built1925101 years old
Length39.4 ft12 m
Daily traffic16counted 1986
Last inspectedOctober 2024every 12 months

Location

StateMinnesota
CountyMartin
Location2.3 Mi W Of Jct Cr. 107
CarriesT 329
CrossesElm Creek
Coordinates43.76161, -94.84019

Physical Characteristics

MaterialConcrete
DesignGirder and Floorbeam
Total Length39.4 ft (12 m)
Max Span35.4 ft (10.8 m)
Deck Width20.0 ft (6.1 m)
Deck Area73.2 sq m
Main Spans1
Year Built1925

Traffic

Avg Daily Traffic16 (1986)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberL7232

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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