Four Mile Square R over Hilton Brook
PoorSomerset County, Maine · 200 Ft N JCT RTE 234 · Structure no. 1056
- Built
- 1998
- 27 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 67
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Four Mile Square R over Hilton Brook is a steel stringer/multi-beam or girder carrying Four Mile Square R over Hilton Brook in Somerset County, Maine. It was built in 1998, so it is 27 years old, younger 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 4 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.
It carries about 67 vehicles a day, roughly 5% of them trucks, projected to reach 107 by 2036. The structure is 26 ft (7.9 m) long and 22 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Four Mile Square R over Hilton Brook built?
It was built in 1998, making it 27 years old in 2025.
What condition is Four Mile Square R over Hilton Brook 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 August 2023.
How much traffic does Four Mile Square R over Hilton Brook carry?
About 67 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Four Mile Square R over Hilton Brook?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.
Who owns Four Mile Square R over Hilton Brook?
It is owned by the State Highway Agency.