US 421 over Cedar Creek
Ripley County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 421 over Cedar Creek in Ripley County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 4,921 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 65 of the 191 inventoried bridges in Ripley County rated good (34.0%); 9 (4.7%) 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 January 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 → (39.07443, -85.27105)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 104 ft |
| Location | 00.09 N US 50 |
| NBI structure number | 076500 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Ripley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Pipe Creek | 1962 | 20,327 | Good |
| I-74 over Little Pipe Creek | 1962 | 18,786 | Good |
| I-74 over Branch Little Pipe Creek | 1962 | 18,786 | Good |
| SR 229 over I-74 | 1962 | 15,532 | Fair |
| I-74 EB over Western Creek | 1962 | 12,614 | Good |
| I-74 WB over Western Creek | 1962 | 12,266 | Good |
All bridges nearby: Ripley County, IN bridge conditions · every bridge in Ripley County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.