Tr 99 over La Harpe
Poor Condition52 years old50 vehicles/day
Location
| State | Illinois |
| County | Hancock |
| Location | 4.5 Mi S Laharpe |
| Carries | Tr 99 |
| Crosses | La Harpe |
| Coordinates | 40.53330, -90.97926 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 54.5 ft (16.6 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 132.8 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 034421100000000 |