Humbert Rd/fau 899 over Black Ck
Fair Condition73 years old7,650 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | N Edge Of Alton |
| Carries | Humbert Rd/fau 899 |
| Crosses | Black Ck |
| Coordinates | 38.92439, -90.15014 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 64.0 ft (19.5 m) |
| Deck Area | 296.4 sq m |
| Main Spans | 1 |
| Year Built | 1953 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 7,650 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060302300000000 |