Il 29 over Black Branch
Fair Condition72 years old11,600 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | .37m SE Main-rochstr |
| Carries | Il 29 |
| Crosses | Black Branch |
| Coordinates | 39.74653, -89.53161 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 31.2 ft (9.5 m) |
| Deck Width | 56.8 ft (17.3 m) |
| Deck Area | 174.7 sq m |
| Main Spans | 1 |
| Year Built | 1954 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 11,600 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 084004400000000 |