US 30 East Bound over Desplaines River
Will County, Illinois · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 30 East Bound over Desplaines River in Will County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1933 and reconstructed in 1987, making it 92 years old at the 2025 inventory.
- It carries about 11,110 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 65 of the 656 inventoried bridges in Will County rated poor (9.9%); 65 (9.9%) are rated poor.
- 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 → (41.52489, -88.08707)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 2 | Critical condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel movable bascule |
| Length | about 331 ft |
| Location | 0.8 Mi W of Ill 171 |
| NBI structure number | 099016600000000 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Will County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I- 55 over Il 53 | 1980 | 108,500 | Fair |
| I- 80 over Creek | 1967 | 96,000 | Fair |
| I- 80 over Marley Creek | 1966 | 94,400 | Good |
| I-355 over I55 Rmp to NBI355 | 2007 | 83,900 | Fair |
| I- 55 over Lily Cache Creek | 2007 | 83,500 | Fair |
| I- 55 over Joliet Rd | 1955 | 73,200 | Poor |
All bridges nearby: Will County, IL bridge conditions · every bridge in Will County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.