US 136 over Hamilton Slough
Good Condition72 years old10,500 vehicles/day
Location
| State | Illinois |
| County | Hancock |
| Location | .1m E Keokuk Bridge |
| Carries | US 136 |
| Crosses | Hamilton Slough |
| Coordinates | 40.38936, -91.36271 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 210.0 ft (64 m) |
| Max Span | 79.1 ft (24.1 m) |
| Deck Width | 86.0 ft (26.2 m) |
| Deck Area | 1676.8 sq m |
| Main Spans | 3 |
| Year Built | 1954 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 10,500 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 034000100000000 |