Tr 531a over Fai 172
Good Condition45 years old175 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | 3.6mi N I172/il57 |
| Carries | Tr 531a |
| Crosses | Fai 172 |
| Coordinates | 39.83792, -91.31148 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 334.3 ft (101.9 m) |
| Max Span | 145.0 ft (44.2 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 1029.2 sq m |
| Main Spans | 2 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 175 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001006000000000 |