Structure 2007 · Anoka County, MN

Csah 83 over US 10

Carries Csah 83 over US 10, 4.4 Mi NW Jct TH 10; 169.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT179 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

179 ft end to end: about 2 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.

Built201511 years old
Length179.5 ft54.7 m
Daily traffic8,100counted 2018
Last inspectedApril 2024every 24 months

Location

StateMinnesota
CountyAnoka
Location4.4 Mi NW Jct TH 10; 169
CarriesCsah 83
CrossesUS 10
Coordinates45.23474, -93.47181

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length179.5 ft (54.7 m)
Max Span172.9 ft (52.7 m)
Deck Width108.6 ft (33.1 m)
Deck Area1810.6 sq m
Main Spans1
Year Built2015

Traffic

Avg Daily Traffic8,100 (2018)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number02007

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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