Flat Iron Road over Mokeler Creek
Poor Condition76 years old1,550 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.4 Mi. S. Ill 173 |
| Carries | Flat Iron Road |
| Crosses | Mokeler Creek |
| Coordinates | 42.40855, -88.64234 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 93.9 sq m |
| Main Spans | 1 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 1,550 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056301900000000 |