Structure 4515 · Beltrami County, MN

Msas 108 over Bnsf Rr; Cp Rail

Carries Msas 108 over Bnsf Rr; Cp Rail, 0.2 Mi S Of Jct Csah 7.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT618 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 6/9

618 ft end to end, longest span 125 ft: about 1.7 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.

Built198541 years old
Length618.4 ft188.5 m
Daily traffic485counted 2020
Last inspectedOctober 2024every 24 months

Location

StateMinnesota
CountyBeltrami
Location0.2 Mi S Of Jct Csah 7
CarriesMsas 108
CrossesBnsf Rr; Cp Rail
Coordinates47.46887, -94.88545

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length618.4 ft (188.5 m)
Max Span125.0 ft (38.1 m)
Deck Width38.7 ft (11.8 m)
Deck Area2224.3 sq m
Main Spans7
Year Built1985

Traffic

Avg Daily Traffic485 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number04515

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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