S 18TH St over Elliott Ditch
Tippecanoe County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S 18TH St over Elliott Ditch in Tippecanoe 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 2003, making it 22 years old at the 2025 inventory.
- It carries about 5,635 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 199 of the 330 inventoried bridges in Tippecanoe County rated good (60.3%); 15 (4.5%) 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 October 2022, on a 48-month routine inspection cycle.
- 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 → (40.37364, -86.87595)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 79 ft |
| Location | 00.06 S of Ortman Ln |
| NBI structure number | 7900127 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Tippecanoe County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 NB over Wabash River | 1968 | 54,840 | Good |
| I-65 SB over Wabash River | 1968 | 54,840 | Good |
| I-65 SB over Prophets Rock Road | 1968 | 45,995 | Good |
| I-65 Sbl over Lauramie Creek | 1968 | 45,860 | Good |
| I-65 over Dry Run | 1969 | 45,595 | Good |
| I-65 NB over CSX N 9TH St Burnett C | 1968 | 45,595 | Good |
All bridges nearby: Tippecanoe County, IN bridge conditions · every bridge in Tippecanoe County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.