Causeway Road over Mill Creek
PoorRockingham County, New Hampshire · 0.03 MI from Depot Road · Structure no. 023401670009100
- Built
- 1940
- 85 years old, rebuilt 1988
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 639
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Causeway Road over Mill Creek is a prestressed concrete slab carrying Causeway Road over Mill Creek in Rockingham County, New Hampshire. It was built in 1940 and reconstructed in 1988, so it is 85 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 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 639 vehicles a day, roughly 4% of them trucks, projected to reach 945 by 2043. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Causeway Road over Mill Creek built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.
What condition is Causeway Road over Mill Creek 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 October 2024.
How much traffic does Causeway Road over Mill Creek carry?
About 639 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Causeway Road over Mill Creek?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.
Who owns Causeway Road over Mill Creek?
It is owned by the City or Municipal Highway Agency.