Structure 95113 · Aitkin County, MN

US 169 over Moose River

Carries US 169 over Moose River, 7.4 Mi S Of Jct TH 200.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT49 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 49 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built198541 years old
Length49.2 ft15 m
Daily traffic2,485counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyAitkin
Location7.4 Mi S Of Jct TH 200
CarriesUS 169
CrossesMoose River
Coordinates46.88179, -93.61389

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length49.2 ft (15 m)
Max Span14.1 ft (4.3 m)
Deck Area165 sq m
Main Spans3
Year Built1985

Traffic

Avg Daily Traffic2,485 (2021)
Truck Traffic8%
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 Number95113

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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