Island Avenue over Penobscot River Overflow
PoorClosed to trafficPenobscot County, Maine · 1.8 Mi.East US RTE 2 · Structure no. 1800
- Built
- 1902
- 123 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 359 ft
- 12 main spans
- Daily traffic
- 158
- 2009 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Island Avenue over Penobscot River Overflow is a steel stringer/multi-beam or girder carrying Island Avenue over Penobscot River Overflow in Penobscot County, Maine. It was built in 1902, so it is 123 years old, older than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 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. Its operating status is: closed to all traffic.
It carries about 158 vehicles a day, roughly 5% of them trucks, projected to reach 237 by 2029. The structure is 359 ft (109.4 m) long and 13 ft wide. If it were closed, the detour would be 100 mi (161 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island Avenue over Penobscot River Overflow built?
It was built in 1902, making it 123 years old in 2025.
What condition is Island Avenue over Penobscot River Overflow 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 January 2025.
How much traffic does Island Avenue over Penobscot River Overflow carry?
About 158 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Island Avenue over Penobscot River Overflow?
The structure is 359 ft (109.4 m) long with a longest span of 29 ft (8.8 m) and a deck 13 ft wide.
Who owns Island Avenue over Penobscot River Overflow?
It is owned by the Town or Township Highway Agency.