I-4 EB Ramp M1
I-4 EB Ramp M1 in I-4 Ramp M1-SR 429, Seminole County, Florida received a condition grade of A (100/100). Built in 2016, the bridge carries 149K vehicles daily on I-4 EB Ramp M1 over SR 429.
I-4 EB Ramp M1 carries an A on the BridgeSafety Condition Score with 100/100. 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 2016 and is 10 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-4 EB Ramp M1 carries an average daily traffic count of 148,500 vehicles, with 2 lane(s) crossing SR 429. 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-4 EB Ramp M1 is a 10-year-old bridge located I-4 Ramp M1-SR 429 in Seminole County, Florida. The bridge carries I-4 EB Ramp M1 over SR 429 with 2 traffic lanes, handling approximately 149K vehicles per day. Built in 2016, the structure spans 70.3 meters.
The bridge received a Condition Grade of A (100/100) based on Federal Highway Administration inspection data. Its deck is rated 9/9 (good), superstructure 9/9 (good), and substructure 9/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-4 EB Ramp M1 has a Condition Score of 100/100 (Grade A). Its deck is rated 9/9, superstructure 9/9, and substructure 9/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-4 EB Ramp M1 was built in 2016, making it 10 years old. The average bridge age in the United States is 48 years.
I-4 EB Ramp M1 carries approximately 149K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 70.3 meters long and located on I-4 EB Ramp M1 in I-4 Ramp M1-SR 429, Seminole County, Florida.
No, I-4 EB Ramp M1 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-4 EB Ramp M1 is located I-4 Ramp M1-SR 429 in Seminole County, Florida. The bridge carries I-4 EB Ramp M1 over SR 429. Its coordinates are 28.796275, -81.346203. It is maintained by State Highway Agency.
I-4 EB Ramp M1 carries I-4 EB Ramp M1 over SR 429. The bridge is 70.3 meters long and was built in 2016.
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.