Structure 35006 · Kittson County, MN

Mn 175 over Mid Br Two Rivers

Carries Mn 175 over Mid Br Two Rivers, 0.5 Mi E Of Jct TH 75.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT248 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

248 ft end to end, longest span 92 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.

Built198640 years old
Length247.7 ft75.5 m
Daily traffic1,250counted 2019
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyKittson
Location0.5 Mi E Of Jct TH 75
CarriesMn 175
CrossesMid Br Two Rivers
Coordinates48.77554, -96.93751

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length247.7 ft (75.5 m)
Max Span91.9 ft (28 m)
Deck Width56.8 ft (17.3 m)
Deck Area1306.2 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic1,250 (2019)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number35006

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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