SR 9 over Appoquinimink River
New Castle County, Delaware · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 9 over Appoquinimink River in New Castle County, Delaware, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 840 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (39.46576, -75.61351)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 204 ft |
| Location | N/E of Odessa |
| NBI structure number | 1391 424 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Delaware department of transportation.
All bridges nearby: New Castle County, DE bridge conditions · Delaware bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.