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Helsa Rd over Sep I 15 012

Toole County, Montana · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (48.76906, -111.86276)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure77Good condition
Substructure77Good condition

Bridge details

StructureContinuous steel stringer or multi-beam girder
Lengthabout 224 ft
Location2M N Oilmont
NBI structure numberL51040004+04301
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)October 2023
Inspection interval (item 91)24 months
Scour (item 113)N: not over a waterway

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

Busiest bridges in Toole County

BridgeBuiltVehicles/dayCondition
S 67 over Front St-rr19382,161Fair
I 15 over Sep County Road19761,520Fair
I 15 over Sep County Road19761,520Fair
I 15 over Marias River19761,311Good
I 15 over Marias River19761,311Good
I 15 over Int Shelby-rr19601,021Fair

All bridges nearby: Toole County, MT bridge conditions · every bridge in Toole County · Montana bridges.

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