Tr 229 over Branch Of Rock Creek
Fair Condition45 years old100 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | 3.5 Mi S Mendon |
| Carries | Tr 229 |
| Crosses | Branch Of Rock Creek |
| Coordinates | 40.02243, -91.29803 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 119.9 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 100 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001327500000000 |