CR 350W over Plummer Brook
Madison County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 350W over Plummer Brook in Madison 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 386 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 117 of the 301 inventoried bridges in Madison County rated good (38.9%); 10 (3.3%) 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 2024, on a 24-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 → (40.23936, -85.73794)
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 | Prestressed concrete multiple box beam |
| Length | about 31 ft |
| Location | 00.70 S CR 1000 N |
| NBI structure number | 4800046 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 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 Madison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-69 NB over Fosters Branch | 1966 | 30,223 | Good |
| I-69 SB over Fosters Branch | 1966 | 30,223 | Good |
| I-69 NB over Thorpe Creek | 1966 | 28,070 | Fair |
| I-69 SB over Thorpe Creek | 1966 | 28,070 | Fair |
| I-69 NB over SR 13 | 1966 | 28,070 | Fair |
| I-69 SB over SR 13 | 1966 | 28,070 | Good |
All bridges nearby: Madison County, IN bridge conditions · every bridge in Madison County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.