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T 178 over Dead Moose River

Carlton County, Minnesota · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (46.5232, -92.97011)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Culvert77Good condition

Bridge details

StructureSteel culvert
Lengthabout 26 ft
Location0.9 Mi S of Jct Csah 6
NBI structure number97353
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)November 2023
Inspection interval (item 91)24 months
Scour (item 113)8: foundations stable, scour above the top of the footing

Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.

Busiest bridges in Carlton County

BridgeBuiltVehicles/dayCondition
I 35 over Portage River196816,400Fair
Mn 33 over I 35196516,100Fair
I 35 over St Louis River197114,250Fair
I 35 over St Louis River197114,250Fair
I 35 over Korby Road197314,250Good
I 35 over Korby Road197314,250Good

All bridges nearby: Carlton County, MN bridge conditions · every bridge in Carlton County · Minnesota bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.