SR821 SB HEFT 28.1
SR821 SB HEFT 28.1 in 1 Mile South Of NW 41 ST, Miami-Dade County, Florida received a condition grade of B (77/100). Built in 1974, the bridge carries 136K vehicles daily on SR821 SB HEFT 28.1 over NW 25 ST & N Line Canal.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
SR821 SB HEFT 28.1 is a 52-year-old bridge located 1 Mile South Of NW 41 ST in Miami-Dade County, Florida. The bridge carries SR821 SB HEFT 28.1 over NW 25 ST & N Line Canal with 8 traffic lanes, handling approximately 136K vehicles per day. Built in 1974 and reconstructed in 2023, the structure spans 74.1 meters.
The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
SR821 SB HEFT 28.1 has a Condition Score of 77/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
SR821 SB HEFT 28.1 was built in 1974 and reconstructed in 2023, making it 52 years old. The average bridge age in the United States is 48 years.
SR821 SB HEFT 28.1 carries approximately 136K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 74.1 meters long and located on SR821 SB HEFT 28.1 in 1 Mile South Of NW 41 ST, Miami-Dade County, Florida.
No, SR821 SB HEFT 28.1 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
SR821 SB HEFT 28.1 is located 1 Mile South Of NW 41 ST in Miami-Dade County, Florida. The bridge carries SR821 SB HEFT 28.1 over NW 25 ST & N Line Canal. Its coordinates are 25.796903, -80.386125. It is maintained by State Toll Authority.
SR821 SB HEFT 28.1 carries SR821 SB HEFT 28.1 over NW 25 ST & N Line Canal. The bridge is 74.1 meters long and was built in 1974, with reconstruction in 2023.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.