SH 81 over Marsh Creek
Fair Condition13 years old2,600 vehicles/day
Location
| State | Idaho |
| County | Cassia |
| Location | In Declo Ecl |
| Carries | SH 81 |
| Crosses | Marsh Creek |
| Coordinates | 42.52042, -113.62500 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 46.9 ft (14.3 m) |
| Max Span | 44.0 ft (13.4 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 174.5 sq m |
| Main Spans | 1 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 2,600 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 321 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000016616 |