Structure 2523 · Anoka County, MN

Csah 2 over Bnsf Rr

Carries Csah 2 over Bnsf Rr, 0.2 Mi NE Of Jct Csah 1.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,159 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

1,159 ft end to end, longest span 205 ft: about 3.2 football fields. 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.

Built197353 years old
Length1159.4 ft353.4 m
Daily traffic5,648counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateMinnesota
CountyAnoka
Location0.2 Mi NE Of Jct Csah 1
CarriesCsah 2
CrossesBnsf Rr
Coordinates45.04569, -93.27313

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1159.4 ft (353.4 m)
Max Span205.1 ft (62.5 m)
Deck Width53.1 ft (16.2 m)
Deck Area5725.1 sq m
Main Spans8
Year Built1973

Traffic

Avg Daily Traffic5,648 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number02523

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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