SR 9 over Appoquinimink River
PoorNew Castle County, Delaware · N/E of Odessa · Structure no. 1391 424
- Built
- 1973
- 52 years old
- Condition
- Poor
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 205 ft
- 5 main spans
- Daily traffic
- 840
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR 9 over Appoquinimink River is a prestressed concrete box beam or girders - multiple carrying SR 9 over Appoquinimink River in New Castle County, Delaware. It was built in 1973, so it is 52 years old, older than the Delaware average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 840 vehicles a day, roughly 9% of them trucks, projected to reach 1,046 by 2042. The structure is 205 ft (62.4 m) long and 36 ft wide. If it were closed, the detour would be 9.3 mi (15 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 9 over Appoquinimink River built?
It was built in 1973, making it 52 years old in 2025.
What condition is SR 9 over Appoquinimink River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does SR 9 over Appoquinimink River carry?
About 840 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is SR 9 over Appoquinimink River?
The structure is 205 ft (62.4 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.
Who owns SR 9 over Appoquinimink River?
It is owned by the State Highway Agency.