I-275 NB
I-275 NB in 0.3 MI W/O Dale Mabry HWY, Hillsborough County, Florida received a condition grade of A (89/100). Built in 2015, the bridge carries 210K vehicles daily on I-275 NB over Cypress Street.
I-275 NB carries an A on the BridgeSafety Condition Score with 89/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2015 and is 11 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I-275 NB carries an average daily traffic count of 210,000 vehicles, with 4 lane(s) crossing Cypress Street. 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 NB is a 11-year-old bridge located 0.3 MI W/O Dale Mabry HWY in Hillsborough County, Florida. The bridge carries I-275 NB over Cypress Street with 4 traffic lanes, handling approximately 210K vehicles per day. Built in 2015, the structure spans 60.4 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-275 NB has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-275 NB was built in 2015, making it 11 years old. The average bridge age in the United States is 48 years.
I-275 NB carries approximately 210K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 60.4 meters long and located on I-275 NB in 0.3 MI W/O Dale Mabry HWY, Hillsborough County, Florida.
No, I-275 NB 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 NB is located 0.3 MI W/O Dale Mabry HWY in Hillsborough County, Florida. The bridge carries I-275 NB over Cypress Street. Its coordinates are 27.952194, -82.510333. It is maintained by State Highway Agency.
I-275 NB carries I-275 NB over Cypress Street. The bridge is 60.4 meters long and was built in 2015.
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.