Catherine Avenue over Md 100
FairAnne Arundel County, Maryland · 1.35 MI N of Md 10 · Structure no. 100000020106010
- Built
- 1971
- 54 years old, rebuilt 2004
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 221 ft
- 2 main spans
- Daily traffic
- 19,680
- 2006 count
- Owner
- State
- State Highway Agency
About this bridge
Catherine Avenue over Md 100 is a steel continuous stringer/multi-beam or girder carrying Catherine Avenue over Md 100 in Anne Arundel County, Maryland. It was built in 1971 and reconstructed in 2004, so it is 54 years old, older than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 19,680 vehicles a day, roughly 3% of them trucks, projected to reach 22,691 by 2026. The structure is 221 ft (67.4 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Catherine Avenue over Md 100 built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2004.
What condition is Catherine Avenue over Md 100 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Catherine Avenue over Md 100 carry?
About 19,680 vehicles per day (2006 count), of which roughly 3% are trucks.
How long is Catherine Avenue over Md 100?
The structure is 221 ft (67.4 m) long with a longest span of 108 ft (32.9 m) and a deck 52 ft wide.
Who owns Catherine Avenue over Md 100?
It is owned by the State Highway Agency.