I-94 (tri State) over W.f.n. Br. Chi. Riv
Lake County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-94 (tri State) over W.f.n. Br. Chi. Riv in Lake 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 1958, making it 67 years old at the 2025 inventory.
- It carries about 82,800 vehicles a day (traffic count year 2022).
- It is one of 150 of the 250 inventoried bridges in Lake County rated fair (60.0%); 24 (9.6%) are rated poor.
- 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 → (42.18461, -87.87746)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 34 ft |
| Location | 1.3M S of Ill 22 |
| NBI structure number | 049995000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 94 SB over E J & E RR | 1958 | 72,350 | Fair |
| Interstate 94 NB over E J & E RR | 1958 | 72,350 | Fair |
| I-94 SB over C M S P & P RR | 1958 | 67,600 | Fair |
| I-94 NB over Cmsp & P RR | 1958 | 67,600 | Fair |
| Tri-state I-294 over Deerfield Rd/rmp F | 2001 | 58,950 | Good |
| I-94 SB over Washington Street | 1958 | 51,150 | Fair |
All bridges nearby: Lake County, IL bridge conditions · every bridge in Lake County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.