Franklin Rd over Miller Ditch
Marion County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Franklin Rd over Miller Ditch in Marion County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1965 and reconstructed in 2022, making it 60 years old at the 2025 inventory.
- It carries about 2,730 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal highway agency.
- It is one of 448 of the 969 inventoried bridges in Marion County rated good (46.2%); 46 (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 → (39.71525, -86.01784)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 46 ft |
| Location | 00.40 N of Southeastern A |
| NBI structure number | 4900390 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Marion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over 26TH Street | 1968 | 167,273 | Good |
| I-65 over 29TH Street | 1968 | 167,273 | Good |
| I-65 over West 30TH Street | 1968 | 167,273 | Fair |
| I-65 over Dr Ml King Drive | 1968 | 164,000 | Good |
| I-70 over Belmont Avenue | 1967 | 163,150 | Fair |
| I-70 over Sherman Drive CSX RR | 2007 | 157,928 | Good |
All bridges nearby: Marion County, IN bridge conditions · every bridge in Marion County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.