Structure 62519 · Ramsey County, MN

Csah 23 over Bnsf Rr

Carries Csah 23 over Bnsf Rr, 0.1 Mi W Of Jct Csah 52.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT225 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

225 ft end to end, longest span 72 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.

Built197056 years old
Length225.1 ft68.6 m
Daily traffic6,350counted 2022
Last inspectedNovember 2024every 12 months

Location

StateMinnesota
CountyRamsey
Location0.1 Mi W Of Jct Csah 52
CarriesCsah 23
CrossesBnsf Rr
Coordinates45.01999, -93.14082

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length225.1 ft (68.6 m)
Max Span71.9 ft (21.9 m)
Deck Width64.6 ft (19.7 m)
Deck Area1351.4 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic6,350 (2022)
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number62519

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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