Third ST NE over Abandoned Rr-antelope CR
Poor Condition87 years old2,063 vehicles/day
Location
| State | Montana |
| County | Wheatland |
| Location | Harlowton-third ST NE |
| Carries | Third ST NE |
| Crosses | Abandoned Rr-antelope CR |
| Coordinates | 46.43859, -109.82307 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 203.7 ft (62.1 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 664.5 sq m |
| Main Spans | 3 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 2,063 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00014100+04531 |