Grantville Road over Mad River
PoorLitchfield County, Connecticut · 500 S of Danbury Quarter · Structure no. 05132
- Built
- 1956
- 69 years old
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 135
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Grantville Road over Mad River is a prestressed concrete slab carrying Grantville Road over Mad River in Litchfield County, Connecticut. It was built in 1956, so it is 69 years old, older than the Connecticut average of 56.7 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 135 vehicles a day, roughly 2% of them trucks, projected to reach 201 by 2044. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Grantville Road over Mad River built?
It was built in 1956, making it 69 years old in 2025.
What condition is Grantville 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 May 2024.
How much traffic does Grantville Road over Mad River carry?
About 135 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Grantville Road over Mad River?
The structure is 34 ft (10.4 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.
Who owns Grantville Road over Mad River?
It is owned by the Town or Township Highway Agency.