Structure 76016 · Swift County, MN

Mn 29 over Chippewa River

Carries Mn 29 over Chippewa River, 2.0 Mi N Of Jct US 12.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT192 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

192 ft end to end, longest span 96 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built20233 years old
Length191.6 ft58.4 m
Daily traffic1,427counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateMinnesota
CountySwift
Location2.0 Mi N Of Jct US 12
CarriesMn 29
CrossesChippewa River
Coordinates45.34190, -95.60317

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length191.6 ft (58.4 m)
Max Span96.5 ft (29.4 m)
Deck Width43.0 ft (13.1 m)
Deck Area765.0 sq m
Main Spans3
Year Built2023

Traffic

Avg Daily Traffic1,427 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical6 — Scour calculated, stable
Structure Number76016

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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