Olbrich Road over Drain Ditch Rush CR
Fair Condition105 years old275 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | .9 Mi S Dunham RD |
| Carries | Olbrich Road |
| Crosses | Drain Ditch Rush CR |
| Coordinates | 42.32489, -88.61800 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 4 (Poor) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 6.9 ft (2.1 m) |
| Deck Area | 68.6 sq m |
| Main Spans | 3 |
| Year Built | 1921 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 275 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056304100000000 |