Lost Tree Drive over Sand Creek
Porter County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lost Tree Drive over Sand Creek in Porter County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 115 of the 279 inventoried bridges in Porter County rated good (41.2%); 13 (4.7%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (41.60623, -87.02736)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Timber slab |
| Length | about 25 ft |
| Location | 00.10 E Highland Drive |
| NBI structure number | 6400153 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Porter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-94 EB over US 20 Willow CR CSX RR | 1966 | 83,652 | Good |
| I-94 EB over NS RR | 1969 | 80,516 | Fair |
| I-94 EB over Beam Street | 1969 | 80,516 | Fair |
| I-94 WB over Little Calumet River | 1969 | 80,516 | Good |
| I-94 EB over Jensen Dr | 1968 | 70,574 | Fair |
| I-94 EB over CSX RR | 1969 | 57,732 | Fair |
All bridges nearby: Porter County, IN bridge conditions · every bridge in Porter County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.