I 15 over Rock Creek

Good Condition59 years old4,290 vehicles/day

Location

StateMontana
CountyLewis and Clark
Location3m N Wolf Creek
CarriesI 15
CrossesRock Creek
Coordinates47.03694, -112.01891

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length30.2 ft (9.2 m)
Max Span11.2 ft (3.4 m)
Deck Area215.3 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic4,290 (2023)
Truck Traffic17%
Lanes On Bridge6

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015230+03001

Nearby Bridges

Craig Frontage RD over Missouri River 054 1.3 mi Poor US 287 over Rock Creek 1.6 mi Fair US 287 over Int Augusta I 15 1.7 mi Fair I 15 over Dog Creek 3.0 mi Fair I 15 over Int Wolf Creek 3.2 mi Fair I 15 over Int Wolf Creek 3.2 mi Good Frontage Road 241 over Little Prickly Pear 059 3.3 mi Good I 15 over Wolf Creek 3.6 mi Fair I 15 over Int Craig 3.6 mi Good I 15 over Int Craig 3.6 mi Good