I-57 over Stream
Champaign County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-57 over Stream in Champaign County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 22,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 237 of the 728 inventoried bridges in Champaign County rated fair (32.6%); 59 (8.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.18202, -88.24433)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 33 ft |
| Location | Market St |
| NBI structure number | 010200000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| 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 Champaign County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Market St(fau 7169) | 1957 | 48,900 | Good |
| I-74 over CN Railwy & TR 158/Oak S | 1956 | 48,900 | Good |
| I-74 over US 45(FAP 800) | 1956 | 41,900 | Poor |
| I-57 over Copper Slough | 1965 | 34,400 | Good |
| FAI 74 & Ramp G over Copper Slough | 2023 | 31,500 | Good |
| I-74 over Stream | 1960 | 30,400 | Fair |
All bridges nearby: Champaign County, IL bridge conditions · every bridge in Champaign County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.