Structure L8126 · Wright County, MN

T 413 over Bnsf Rr

Carries T 413 over Bnsf Rr, 0.4 Mi N Of Jct TH 12.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT162 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

162 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.

Built195076 years old
Length162.1 ft49.4 m
Daily traffic129counted 1986
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyWright
Location0.4 Mi N Of Jct TH 12
CarriesT 413
CrossesBnsf Rr
Coordinates45.07111, -94.09419

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length162.1 ft (49.4 m)
Max Span42.0 ft (12.8 m)
Deck Width27.9 ft (8.5 m)
Deck Area419.9 sq m
Main Spans1
Year Built1950

Traffic

Avg Daily Traffic129 (1986)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberL8126

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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