I-4 WB
I-4 WB in I-4 WB Over SR 429, Seminole County, Florida received a condition grade of A (100/100). Built in 2023, the bridge carries 385K vehicles daily on I-4 WB over SR 429.
I-4 WB 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 2023 and is 3 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 WB carries an average daily traffic count of 385,000 vehicles, with 3 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 WB is a 3-year-old bridge located I-4 WB Over SR 429 in Seminole County, Florida. The bridge carries I-4 WB over SR 429 with 3 traffic lanes, handling approximately 385K vehicles per day. Built in 2023, the structure spans 78.2 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 WB 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 WB was built in 2023, making it 3 years old. The average bridge age in the United States is 48 years.
I-4 WB carries approximately 385K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 78.2 meters long and located on I-4 WB in I-4 WB Over SR 429, Seminole County, Florida.
No, I-4 WB 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 WB is located I-4 WB Over SR 429 in Seminole County, Florida. The bridge carries I-4 WB over SR 429. Its coordinates are 28.796172, -81.346008. It is maintained by State Highway Agency.
I-4 WB carries I-4 WB over SR 429. The bridge is 78.2 meters long and was built in 2023.
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.