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HomeMichiganPresque Isle County › Hwy 489 over Rainy River

Hwy 489 over Rainy River

Presque Isle County, Michigan · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (45.44624, -84.21653)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck7Good condition
Superstructure8Very good condition
Substructure8Very good condition

Bridge details

StructureSteel stringer or multi-beam girder
Lengthabout 106 ft
Location5.5 Mi N of Onaway
NBI structure number000000000008976
Condition classGood

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

Busiest bridges in Presque Isle County

BridgeBuiltVehicles/dayCondition
M-68 over Rainy River19543,382Fair
M-68 over Ocqueoc River19543,382Fair
US-23 over Swan River19393,242Good
US-23|BRADLEY Hwy over Trout River19391,939Fair
Millerburg Road over Ocqueoc River19481,750Fair
M-68 over Little Ocqueoc River19591,564Good

All bridges nearby: Presque Isle County, MI bridge conditions · every bridge in Presque Isle County · Michigan bridges.

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