River Road over Mad River
PoorClosed to trafficStrafford County, New Hampshire · 0.63MI. RTE 111 · Structure no. 008400800010800
- Built
- 1986
- 39 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 110
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
River Road over Mad River is a steel stringer/multi-beam or girder carrying River Road over Mad River in Strafford County, New Hampshire. It was built in 1986, so it is 39 years old, younger 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 3 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. Its operating status is: closed to all traffic.
It carries about 110 vehicles a day, roughly 4% of them trucks, projected to reach 162 by 2043. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 River Road over Mad River built?
It was built in 1986, making it 39 years old in 2025.
What condition is River Road over Mad River 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 November 2024.
How much traffic does River Road over Mad River carry?
About 110 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is River Road over Mad River?
The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.
Who owns River Road over Mad River?
It is owned by the City or Municipal Highway Agency.