Colby ST over Routes 11 100 & US201
FairKennebec County, Maine · 2 MI S Townline · Structure no. 6039
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 183 ft
- 2 main spans
- Daily traffic
- 1,747
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Colby ST over Routes 11 100 & US201 is a steel continuous stringer/multi-beam or girder carrying Colby ST over Routes 11 100 & US201 in Kennebec County, Maine. It was built in 1963, so it is 62 years old, older than the Maine average of 53.7 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 1,747 vehicles a day, roughly 5% of them trucks, projected to reach 2,621 by 2036. The structure is 183 ft (55.7 m) long and 40 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Colby ST over Routes 11 100 & US201 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Colby ST over Routes 11 100 & US201 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 April 2024.
How much traffic does Colby ST over Routes 11 100 & US201 carry?
About 1,747 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Colby ST over Routes 11 100 & US201?
The structure is 183 ft (55.7 m) long with a longest span of 88 ft (26.8 m) and a deck 40 ft wide.
Who owns Colby ST over Routes 11 100 & US201?
It is owned by the State Highway Agency.