N Siu Ent RD SB over Cahokia Creek
Fair Condition59 years old2,775 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 0.6 Mi S Ill 143 |
| Carries | N Siu Ent RD SB |
| Crosses | Cahokia Creek |
| Coordinates | 38.82497, -89.99411 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 278.9 ft (85 m) |
| Max Span | 77.4 ft (23.6 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 935 sq m |
| Main Spans | 4 |
| Year Built | 1967 (reconstructed 2016) |
Traffic
| Avg Daily Traffic | 2,775 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060014100000000 |