Mahan Corner RD over Cow Marsh Creek
GoodKent County, Delaware · North of Sandtown · Structure no. 2208C208
- Built
- 1957
- 68 years old, rebuilt 2012
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 78 ft
- 2 main spans
- Daily traffic
- 913
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Mahan Corner RD over Cow Marsh Creek is a prestressed concrete box beam or girders - multiple carrying Mahan Corner RD over Cow Marsh Creek in Kent County, Delaware. It was built in 1957 and reconstructed in 2012, so it is 68 years old, older than the Delaware average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 913 vehicles a day, roughly 17% of them trucks, projected to reach 1,004 by 2042. The structure is 78 ft (23.8 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mahan Corner RD over Cow Marsh Creek built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2012.
What condition is Mahan Corner RD over Cow Marsh Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Mahan Corner RD over Cow Marsh Creek carry?
About 913 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is Mahan Corner RD over Cow Marsh Creek?
The structure is 78 ft (23.8 m) long with a longest span of 37 ft (11.3 m) and a deck 36 ft wide.
Who owns Mahan Corner RD over Cow Marsh Creek?
It is owned by the State Highway Agency.