State Line Road over Kankakee River
Lake County, Indiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Line Road over Kankakee River in Lake County, Indiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
- It was built in 1900 and reconstructed in 1926, making it 125 years old at the 2025 inventory.
- It carries about 136 vehicles a day (traffic count year 2016).
- Its listed owner is the county highway agency.
- It is one of 36 of the 501 inventoried bridges in Lake County rated poor (7.2%); 36 (7.2%) 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 → (41.16589, -87.5266)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 0 | Failed condition, out of service |
| Superstructure | 0 | Failed condition, out of service |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 223 ft |
| Location | 00.80 S 241st AVE |
| NBI structure number | 4500033 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 WB Ramp to SR over SR 912 Eb/wb Ramps | 2001 | 185,778 | Fair |
| I-80 Ebwb 2 Ramps over Erie-lackawanna Trail | 2005 | 175,670 | Fair |
| I-80 I-94 EB over US 41 N/sr 152 W Rmp 2I | 2005 | 175,670 | Fair |
| I-80i-94 EB over Northcote Ave | 2005 | 172,512 | Good |
| I-80i-94 EB over Hohman Avenue | 2007 | 150,742 | Good |
| I-80i-94 EB over Lt Calumet Riv Monon Tr | 2007 | 150,742 | Good |
All bridges nearby: Lake County, IN bridge conditions · every bridge in Lake County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.