Mill Street over Byram River
FairFairfield County, Connecticut · Greenwich-Port Chester Tl · Structure no. 06249
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 14,600
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Mill Street over Byram River is a prestressed concrete slab carrying Mill Street over Byram River in Fairfield County, Connecticut. It was built in 1992, so it is 33 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 6 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 14,600 vehicles a day, roughly 5% of them trucks, projected to reach 21,694 by 2040. The structure is 141 ft (43 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mill Street over Byram River built?
It was built in 1992, making it 33 years old in 2025.
What condition is Mill Street over Byram 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 May 2023.
How much traffic does Mill Street over Byram River carry?
About 14,600 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Mill Street over Byram River?
The structure is 141 ft (43 m) long with a longest span of 44 ft (13.4 m) and a deck 41 ft wide.
Who owns Mill Street over Byram River?
It is owned by the Town or Township Highway Agency.