Colby Hill Road over Bloods Brook
FairPosted for loadSullivan County, New Hampshire · 175 Ft FR Bloodbrook RD · Structure no. 021301570012100
- Built
- 1880
- 145 years old, rebuilt 1963
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 82 ft
- 2 main spans
- Daily traffic
- 137
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Colby Hill Road over Bloods Brook is a steel stringer/multi-beam or girder carrying Colby Hill Road over Bloods Brook in Sullivan County, New Hampshire. It was built in 1880 and reconstructed in 1963, so it is 145 years old, older than the New Hampshire average of 56.9 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. Its operating status is: posted for load restriction.
It carries about 137 vehicles a day, roughly 4% of them trucks, projected to reach 202 by 2043. The structure is 82 ft (25 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Colby Hill Road over Bloods Brook built?
It was built in 1880, making it 145 years old in 2025. It was reconstructed in 1963.
What condition is Colby Hill Road over Bloods Brook 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 July 2024.
How much traffic does Colby Hill Road over Bloods Brook carry?
About 137 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Colby Hill Road over Bloods Brook?
The structure is 82 ft (25 m) long with a longest span of 38 ft (11.6 m) and a deck 16 ft wide.
Who owns Colby Hill Road over Bloods Brook?
It is owned by the City or Municipal Highway Agency.