Ch 12 over Stream
Piatt County, Illinois · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ch 12 over Stream in Piatt County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 14 of the 246 inventoried bridges in Piatt County rated poor (5.7%); 14 (5.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (culvert 5 to 4).
- Its most recent inspection on record is dated January 2025, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (39.85046, -88.7086)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 5 | 4 | Poor condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | 3.2 Mi SE Cerro Gord |
| NBI structure number | 074315200000000 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Piatt County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Madden Creek Trib | 1971 | 22,800 | Good |
| I-74 over Madden Creek Trib | 1971 | 22,800 | Fair |
| I-74 over Stream | 1970 | 21,500 | Fair |
| I-72 over Stream | 1976 | 11,400 | Fair |
| I-72 over Wolf Run | 1976 | 11,400 | Fair |
| I-74 (EB) over S Branch Salt Creek | 1970 | 10,750 | Fair |
All bridges nearby: Piatt County, IL bridge conditions · every bridge in Piatt County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.