Structure 25028 · Goodhue County, MN

US 61 over Nymphara Lane

Carries US 61 over Nymphara Lane, 1.4 Mi SE Of Jct TH 58.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

73 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 multi-beam bridge.

Built201412 years old
Length73.5 ft22.4 m
Daily traffic7,603counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyGoodhue
Location1.4 Mi SE Of Jct TH 58
CarriesUS 61
CrossesNymphara Lane
Coordinates44.56472, -92.50732

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length73.5 ft (22.4 m)
Max Span68.9 ft (21 m)
Deck Width83.3 ft (25.4 m)
Deck Area569.0 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic7,603 (2022)
Truck Traffic9%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number25028

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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