US 31 NB over Prairie Creek
Tipton County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 31 NB over Prairie Creek in Tipton County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1959 and reconstructed in 2021, making it 66 years old at the 2025 inventory.
- It carries about 14,559 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 64 of the 117 inventoried bridges in Tipton County rated fair (54.7%); 1 (0.9%) 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 → (40.22879, -86.12792)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 101 ft |
| Location | 03.23 S SR 28 |
| NBI structure number | 009670 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Tipton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 31 over Buck Creek | 1994 | 30,720 | Good |
| US 31 SB over Cicero Creek | 1959 | 14,951 | Fair |
| US 31 SB over Dixon Creek | 1959 | 14,951 | Fair |
| US 31 SB over Mud Creek | 1960 | 14,547 | Fair |
| US 31 SB over Prairie Creek | 1951 | 14,533 | Fair |
| US 31 NB over Cicero Creek | 1951 | 14,438 | Fair |
All bridges nearby: Tipton County, IN bridge conditions · every bridge in Tipton County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.