Route 40 SB over CSX RR Quinnipiac River
FairNew Haven County, Connecticut · 0.6 MI N of I-91 NB · Structure no. 03408
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected September 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 800 ft
- 3 main spans
- Daily traffic
- 22,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 40 SB over CSX RR Quinnipiac River is a steel continuous stringer/multi-beam or girder carrying Route 40 SB over CSX RR Quinnipiac River in New Haven County, Connecticut. It was built in 1972, so it is 53 years old, younger than the Connecticut average of 56.7 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.
It carries about 22,200 vehicles a day, roughly 6% of them trucks, projected to reach 32,987 by 2042. The structure is 800 ft (243.8 m) long and 53 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 40 SB over CSX RR Quinnipiac River built?
It was built in 1972, making it 53 years old in 2025.
What condition is Route 40 SB over CSX RR Quinnipiac River 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 September 2022.
How much traffic does Route 40 SB over CSX RR Quinnipiac River carry?
About 22,200 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Route 40 SB over CSX RR Quinnipiac River?
The structure is 800 ft (243.8 m) long with a longest span of 105 ft (32 m) and a deck 53 ft wide.
Who owns Route 40 SB over CSX RR Quinnipiac River?
It is owned by the State Highway Agency.