Johnson Flat RD over Interstate 95 NB & SB
FairSomerset County, Maine · 0.7 MI NW of Burnham · Structure no. 5982
- Built
- 1964
- 61 years old, rebuilt 1992
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 441 ft
- 6 main spans
- Daily traffic
- 430
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Johnson Flat RD over Interstate 95 NB & SB is a steel continuous stringer/multi-beam or girder carrying Johnson Flat RD over Interstate 95 NB & SB in Somerset County, Maine. It was built in 1964 and reconstructed in 1992, so it is 61 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 430 vehicles a day, roughly 5% of them trucks, projected to reach 688 by 2036. The structure is 441 ft (134.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Johnson Flat RD over Interstate 95 NB & SB built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.
What condition is Johnson Flat RD over Interstate 95 NB & SB 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 December 2023.
How much traffic does Johnson Flat RD over Interstate 95 NB & SB carry?
About 430 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Johnson Flat RD over Interstate 95 NB & SB?
The structure is 441 ft (134.4 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.
Who owns Johnson Flat RD over Interstate 95 NB & SB?
It is owned by the State Highway Agency.