I-275 (SR-93)
I-275 (SR-93) in 1.5 MI West Of SR-600, Hillsborough County, Florida received a condition grade of B (71/100). Built in 1962, the bridge carries 193K vehicles daily on I-275 (SR-93) over SR-60 (Memorial BLVD).
I-275 (SR-93) carries a B on the BridgeSafety Condition Score with 71/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1962 and is now 64 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-275 (SR-93) carries an average daily traffic count of 193,000 vehicles, with 8 lane(s) crossing SR-60 (Memorial BLVD). The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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 64-year-old bridge located 1.5 MI West Of SR-600 in Hillsborough County, Florida. The bridge carries I-275 (SR-93) over SR-60 (Memorial BLVD) with 8 traffic lanes, handling approximately 193K vehicles per day. Built in 1962 and reconstructed in 2020, the structure spans 51.8 meters.
The bridge received a Condition Grade of B (71/100) 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 Highway Agency.
Location Map
Frequently Asked Questions
I-275 (SR-93) has a Condition Score of 71/100 (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.
I-275 (SR-93) was built in 1962 and reconstructed in 2020, making it 64 years old. The average bridge age in the United States is 48 years.
I-275 (SR-93) carries approximately 193K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 51.8 meters long and located on I-275 (SR-93) in 1.5 MI West Of SR-600, 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 1.5 MI West Of SR-600 in Hillsborough County, Florida. The bridge carries I-275 (SR-93) over SR-60 (Memorial BLVD). Its coordinates are 27.947736, -82.531308. It is maintained by State Highway Agency.
I-275 (SR-93) carries I-275 (SR-93) over SR-60 (Memorial BLVD). The bridge is 51.8 meters long and was built in 1962, with reconstruction in 2020.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.