Seven Mile Bridge
Sector: Rail • Location: Florida, United States
Source: World Atlas
The Seven Mile Bridge connects Knight's Key in the Middle Keys with Little Duck Key in the Lower Keys, Florida, carrying US Route 1. The modern bridge was built between 1978 and 1982 and is 6.79 miles long. A 2.2-mile section of the older 1912 railroad bridge runs alongside it as a pedestrian and cycling path, reopened in 2022 after a $44 million restoration.
- Status
- Closed
- Sector
- Rail, Bridge, Road
- Location
- Florida, United States of America
- Updated
- 22 Jul 2026
- Source
- World Atlas
ConstructChat
Ask ConstructChat about Seven Mile Bridge
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
| Not available for this record. |
Status
Original status | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Seven Mile Bridge connects Knight's Key in the Middle Keys with Little Duck Key in the Lower Keys, Florida, carrying US Route 1. The modern bridge was built between 1978 and 1982 and is 6.79 miles long. A 2.2-mile section of the older 1912 railroad bridge runs alongside it as a pedestrian and cycling path, reopened in 2022 after a $44 million restoration. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Florida |
Source
Source | World Atlas |
URL |
More Details
Record type | Project |
Sector | Rail, Bridge, Road |
Article published date | 2026-05-21 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project
More Rail projects in United States
- Elgin O’Hare Western Access Project, Illinois
- Goethals Bridge Replacement Project, New York
- Frederick Douglass-Susan B Anthony Memorial Bridge (formerly Troup Howell)
- Gilmerton Bridge Replacement Project
- Grand Avenue Bridge, Glenwood Springs, Colorado, US
- I-635 LBJ East Project, Texas
- Hoover Dam Bridge and Bypass, Black Canyon, USA
- I-85 Corridor Improvement Project, North Carolina
