Structure 54534 · Norman County, MN

CR 136 over S Br Wild Rice River

Carries CR 136 over S Br Wild Rice River, 0.5 Mi S Of Jct Csah 39.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT109 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

109 ft end to end, longest span 36 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 tee-beam bridge.

Built198640 years old
Length108.9 ft33.2 m
Daily traffic23counted 2021
Last inspectedOctober 2023every 24 months

Location

StateMinnesota
CountyNorman
Location0.5 Mi S Of Jct Csah 39
CarriesCR 136
CrossesS Br Wild Rice River
Coordinates47.17308, -96.56412

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length108.9 ft (33.2 m)
Max Span36.4 ft (11.1 m)
Deck Width35.1 ft (10.7 m)
Deck Area355.2 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic23 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number54534

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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