I 90 over Dempsey Creek

Fair Condition53 years old10,708 vehicles/day

Location

StateMontana
CountyPowell
LocationN Sager Lane Overpass
CarriesI 90
CrossesDempsey Creek
Coordinates46.31298, -112.74538

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length29.9 ft (9.1 m)
Max Span11.8 ft (3.6 m)
Deck Area211.1 sq m
Main Spans2
Year Built1973

Traffic

Avg Daily Traffic10,708 (2023)
Truck Traffic17%
Lanes On Bridge4

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090192+03001

Nearby Bridges

S Frontage RD 011 over Dempsey Creek 059 0.0 mi Poor Greenhouse RD over Dempsey Creek 0.2 mi Good I 90 over Sep Sager Lane 0.3 mi Good I 90 over Sep Sager Lane 0.3 mi Good E Sager Lane over Irrigation Canal 0.4 mi Fair E Sager LN over Clark Fork River 048 0.5 mi Fair S Frontage RD 011 over Racetrack Creek 067 2.0 mi Fair Yellowstone Trail over Racetrack Creek 036 2.6 mi Good Race Track RD over Int Racetrack-i 90 001 3.0 mi Fair S Frontage RD 011 over Abandoned Rr 043 3.1 mi Good