Structure 1713 · Goodhue County, MN

T 172 over Stream

Carries T 172 over Stream, 1.8 Mi S Of Jct Csah 1.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 multi-beam bridge.

Built1915111 years old
Length22.0 ft6.7 m
Daily traffic38counted 1986
Last inspectedSeptember 2024every 12 months

Location

StateMinnesota
CountyGoodhue
Location1.8 Mi S Of Jct Csah 1
CarriesT 172
CrossesStream
Coordinates44.43922, -92.67135

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length22.0 ft (6.7 m)
Max Span20.0 ft (6.1 m)
Deck Width26.2 ft (8 m)
Deck Area53.6 sq m
Main Spans1
Year Built1915

Traffic

Avg Daily Traffic38 (1986)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number1713

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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