IRR - I 90 over Int Lodge Grass

Fair Condition46 years old2,013 vehicles/day

Location

State	Montana
County	Big Horn
Location	Lodge Grass
Carries	IRR - I 90
Crosses	Int Lodge Grass
Coordinates	45.31476, -107.34454

Condition Ratings

Overall Condition	Fair
Deck	6 (Satisfactory)
Superstructure	6 (Satisfactory)
Substructure	6 (Satisfactory)
Scour Critical	Not applicable

Physical Characteristics

Material	Prestressed Concrete
Design	Stringer/Multi-beam
Total Length	103.0 ft (31.4 m)
Max Span	100.1 ft (30.5 m)
Deck Width	44.3 ft (13.5 m)
Deck Area	423.9 sq m
Main Spans	1
Year Built	1980

Traffic

Avg Daily Traffic	2,013 (2023)
Truck Traffic	24%
Lanes On Bridge	2
Lanes Under Bridge	2

Inspection & Ownership

Last Inspection	124
Inspection Frequency	Every 24 months
Owner	State Highway Agency
Historical Significance	Bridge is not eligible for the National Register
Structure Number	I00090530+06771

Nearby Bridges

IRR - I 90 over Int Lodge Grass 0.0 mi Fair IRR - S 73 over Little Bighorn River 0.3 mi Fair IRR - S 451 over Lodge Grass Creek 0.8 mi Fair Frontage Road 332 over Lodge Grass Creek 070 0.9 mi Good IRR BIA RTE 16 over Lodge Grass Creek 1.2 mi Fair IRR - I 90 over Sep Local Road 1.7 mi Fair IRR - I 90 over Sep Local Road 1.7 mi Fair Forty Mile RD over Owl Creek 085 1.8 mi Fair IRR - I 90 over Owl Creek 2.0 mi Good IRR - I 90 over Owl Creek 2.0 mi Fair