I-25 Service Road over South Fork Powder River
Fair Condition94 years old79 vehicles/day
Location
| State | Wyoming |
| County | Johnson |
| Location | Wyo 387 Jct - Buffalo |
| Carries | I-25 Service Road |
| Crosses | South Fork Powder River |
| Coordinates | 43.62010, -106.57639 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Deck |
| Total Length | 308.7 ft (94.1 m) |
| Max Span | 144.0 ft (43.9 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 630.5 sq m |
| Main Spans | 3 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 79 (2024) |
| Truck Traffic | 28% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | AJX |