Old Mill Loop over Rr 056

Fair Condition27 years old100 vehicles/day

Location

StateMontana
CountyMineral
LocationST Regis
CarriesOld Mill Loop
CrossesRr 056
Coordinates47.31305, -115.08125

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length128.0 ft (39 m)
Max Span47.9 ft (14.6 m)
Deck Width27.9 ft (8.5 m)
Deck Area331.5 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL31177000+02001

Nearby Bridges

Old HWY 10 E over ST Regis River 059 1.4 mi Poor I 90 over St. Regis Rvr-int Ramp 1.4 mi Fair I 90 over Int St. Regis 1.4 mi Fair I 90 over St. Regis River 1.4 mi Fair Old HWY 10 E over Clark Fk-rr 060 1.4 mi Fair I 90 over Int St. Regis 1.5 mi Fair I 90 EB over St. Regis River 1.5 mi Fair I 90 over St. Regis Rvr-int Ramp 1.5 mi Fair I 90 over Drainage 1.5 mi Good I 90 over Clark Fork Rvr-rr-local 1.5 mi Fair