Madison St-us 12 over Clark Fork River

Fair Condition68 years old18,393 vehicles/day

Location

StateMontana
CountyMissoula
LocationMissoula-madison ST
CarriesMadison St-us 12
CrossesClark Fork River
Coordinates46.86696, -113.98786

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length551.8 ft (168.2 m)
Max Span149.9 ft (45.7 m)
Deck Width68.6 ft (20.9 m)
Deck Area3515.4 sq m
Main Spans3
Year Built1958 (reconstructed 2017)

Traffic

Avg Daily Traffic18,393 (2023)
Lanes On Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00007095+00581

Nearby Bridges

E Front ST over Rattlesnake Creek 0.2 mi Fair US 12-e Broadway S over Rattlesnake Creek 0.2 mi Fair I 90 EB over Int Van Buren Street 0.4 mi Good I 90 WB over Int Van Buren Street 0.4 mi Fair I 90 over Rattlesnake Cr-int Ramp 0.4 mi Fair S Higgins AVE over Clark Fork R-ped Paths 0.4 mi Fair I 90 over Greenough Dr-rattlesnake 0.4 mi Fair I 90 over Greenough Dr-rattlesnake 0.4 mi Fair Vine ST over Rattlesnake Creek 002 0.4 mi Good S Orange ST over Clark Fork River 0.7 mi Fair