I-275 (SR-93)
I-275 (SR-93) in 0.5 MI N Of SR-574 (Mlk), Hillsborough County, Florida received a condition grade of B (69/100). Built in 1966, the bridge carries 158K vehicles daily on I-275 (SR-93) over Osborne Avenue.
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
I-275 (SR-93) is a 60-year-old bridge located 0.5 MI N Of SR-574 (Mlk) in Hillsborough County, Florida. The bridge carries I-275 (SR-93) over Osborne Avenue with 6 traffic lanes, handling approximately 158K vehicles per day. Built in 1966 and reconstructed in 2024, the structure spans 42.7 meters.
The bridge received a Condition Grade of B (69/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-275 (SR-93) has a Condition Score of 69/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-275 (SR-93) was built in 1966 and reconstructed in 2024, making it 60 years old. The average bridge age in the United States is 48 years.
I-275 (SR-93) carries approximately 158K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 42.7 meters long and located on I-275 (SR-93) in 0.5 MI N Of SR-574 (Mlk), Hillsborough County, Florida.
No, I-275 (SR-93) is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-275 (SR-93) is located 0.5 MI N Of SR-574 (Mlk) in Hillsborough County, Florida. The bridge carries I-275 (SR-93) over Osborne Avenue. Its coordinates are 27.988764, -82.453631. It is maintained by State Highway Agency.
I-275 (SR-93) carries I-275 (SR-93) over Osborne Avenue. The bridge is 42.7 meters long and was built in 1966, with reconstruction in 2024.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.