Portland Avenue over Norwalk River
FairFairfield County, Connecticut · Branchville Station Lot · Structure no. 05510
- Built
- 1928
- 97 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 27 ft
- 1 main span
- Daily traffic
- 3,790
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Portland Avenue over Norwalk River is a steel stringer/multi-beam or girder carrying Portland Avenue over Norwalk River in Fairfield County, Connecticut. It was built in 1928, so it is 97 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 3,790 vehicles a day, roughly 4% of them trucks, projected to reach 5,632 by 2043. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Portland Avenue over Norwalk River built?
It was built in 1928, making it 97 years old in 2025.
What condition is Portland Avenue over Norwalk River 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 May 2023.
How much traffic does Portland Avenue over Norwalk River carry?
About 3,790 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Portland Avenue over Norwalk River?
The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.
Who owns Portland Avenue over Norwalk River?
It is owned by the Town or Township Highway Agency.