I-75 NB
I-75 NB in 0.9 MI South Of CR-780, Sarasota County, Florida received a condition grade of A (82/100). Built in 1979, the bridge carries 139K vehicles daily on I-75 NB over Palmer BLVD..
I-75 NB carries an A on the BridgeSafety Condition Score with 82/100. 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 1979, making it 47 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I-75 NB carries an average daily traffic count of 139,000 vehicles, with 3 lane(s) crossing Palmer 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-75 NB is a 47-year-old bridge located 0.9 MI South Of CR-780 in Sarasota County, Florida. The bridge carries I-75 NB over Palmer BLVD. with 3 traffic lanes, handling approximately 139K vehicles per day. Built in 1979 and reconstructed in 2007, the structure spans 41.5 meters.
The bridge received a Condition Grade of A (82/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-75 NB has a Condition Score of 82/100 (Grade A). Its deck is rated 7/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 NB was built in 1979 and reconstructed in 2007, making it 47 years old. The average bridge age in the United States is 48 years.
I-75 NB carries approximately 139K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 41.5 meters long and located on I-75 NB in 0.9 MI South Of CR-780, Sarasota County, Florida.
No, I-75 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-75 NB is located 0.9 MI South Of CR-780 in Sarasota County, Florida. The bridge carries I-75 NB over Palmer BLVD.. Its coordinates are 27.326072, -82.447458. It is maintained by State Highway Agency.
I-75 NB carries I-75 NB over Palmer BLVD.. The bridge is 41.5 meters long and was built in 1979, with reconstruction in 2007.
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.