US 20 over Henrys Fk. Snake River
Good Condition22 years old5,300 vehicles/day
Location
| State | Idaho |
| County | Fremont |
| Location | 2 N. Ashton |
| Carries | US 20 |
| Crosses | Henrys Fk. Snake River |
| Coordinates | 44.11086, -111.44878 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 458.0 ft (139.6 m) |
| Max Span | 211.9 ft (64.6 m) |
| Deck Width | 76.1 ft (23.2 m) |
| Deck Area | 3238.7 sq m |
| Main Spans | 3 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 5,300 (2023) |
| Truck Traffic | 26% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000012671 |