Structure L5245 · Jackson County, MN

T 187 over Okabena Creek

Carries T 187 over Okabena Creek, 0.3 Mi S Of Jct Csah 18.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 0 of 9.

How ratings work
Decksets the rating0/9 · Failed
Superstructuresets the rating0/9 · Failed
Substructuresets the rating0/9 · Failed
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 0/9Superstructure 0/9Substructure 0/9

45 ft end to end, longest span 15 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 through truss.

Built1905rebuilt 1938
Length44.9 ft13.7 m
Daily traffic10counted 1988
Last inspectedAugust 2021every 12 months

Location

StateMinnesota
CountyJackson
Location0.3 Mi S Of Jct Csah 18
CarriesT 187
CrossesOkabena Creek
Coordinates43.69911, -95.41539

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length44.9 ft (13.7 m)
Max Span15.1 ft (4.6 m)
Deck Width15.1 ft (4.6 m)
Deck Area63.0 sq m
Main Spans3
Year Built1905 (reconstructed 1938)

Traffic

Avg Daily Traffic10 (1988)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberL5245

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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