I 15 over Rr-hwy 91-drainage
Fair Condition52 years old1,926 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 6.8m S Melrose |
| Carries | I 15 |
| Crosses | Rr-hwy 91-drainage |
| Coordinates | 45.53937, -112.69731 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 538.1 ft (164 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 2197.6 sq m |
| Main Spans | 4 |
| Year Built | 1974 (reconstructed 1996) |
Traffic
| Avg Daily Traffic | 1,926 (2023) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015086+03272 |