Structure 50004 · Mower County, MN

Mn 16 over Deer Creek

Carries Mn 16 over Deer Creek, 3.3 Mi W Of W Jct TH 63.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT234 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

234 ft end to end, longest span 65 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.

Built197749 years old
Length234.3 ft71.4 m
Daily traffic2,550counted 2018
Last inspectedAugust 2024every 12 months

Location

StateMinnesota
CountyMower
Location3.3 Mi W Of W Jct TH 63
CarriesMn 16
CrossesDeer Creek
Coordinates43.71039, -92.54350

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length234.3 ft (71.4 m)
Max Span65.0 ft (19.8 m)
Deck Width50.2 ft (15.3 m)
Deck Area1092.4 sq m
Main Spans4
Year Built1977

Traffic

Avg Daily Traffic2,550 (2018)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number50004

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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