I 15 over Missouri Rvr-rr-local

Fair Condition55 years old2,201 vehicles/day

Location

StateMontana
CountyLewis and Clark
Location5m N Craig
CarriesI 15
CrossesMissouri Rvr-rr-local
Coordinates47.12809, -111.91119

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1249.7 ft (380.9 m)
Max Span185.0 ft (56.4 m)
Deck Width40.7 ft (12.4 m)
Deck Area4723.2 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic2,201 (2023)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015239+01771

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