Structure 69812 · St. Louis County, MN

Msas 115 over Bnsf Rr

Carries Msas 115 over Bnsf Rr, 0.2 Mi E Of Jct TH 23.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT232 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

232 ft end to end, longest span 69 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.

Built1966rebuilt 2011
Length231.6 ft70.6 m
Daily traffic2,050counted 2018
Last inspectedOctober 2023every 24 months

Location

StateMinnesota
CountySt. Louis
Location0.2 Mi E Of Jct TH 23
CarriesMsas 115
CrossesBnsf Rr
Coordinates46.75881, -92.12786

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length231.6 ft (70.6 m)
Max Span68.6 ft (20.9 m)
Deck Width40.7 ft (12.4 m)
Deck Area875.4 sq m
Main Spans4
Year Built1966 (reconstructed 2011)

Traffic

Avg Daily Traffic2,050 (2018)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number69812

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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