SR-429 NB
SR-429 NB in 4.0mi. S Of US-441, Orange County, Florida received a condition grade of A (85/100). Built in 2024, the bridge carries 335K vehicles daily on SR-429 NB over CR-437a.
SR-429 NB carries an A on the BridgeSafety Condition Score with 85/100. 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 2024 and is 2 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. SR-429 NB carries an average daily traffic count of 334,750 vehicles, with 2 lane(s) crossing CR-437a. The owning agency is State Toll Authority; 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
SR-429 NB is a 2-year-old bridge located 4.0mi. S Of US-441 in Orange County, Florida. The bridge carries SR-429 NB over CR-437a with 2 traffic lanes, handling approximately 335K vehicles per day. Built in 2024, the structure spans 74.1 meters.
The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
SR-429 NB has a Condition Score of 85/100 (Grade A). Its deck is rated 8/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
SR-429 NB was built in 2024, making it 2 years old. The average bridge age in the United States is 48 years.
SR-429 NB carries approximately 335K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 74.1 meters long and located on SR-429 NB in 4.0mi. S Of US-441, Orange County, Florida.
No, SR-429 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.
SR-429 NB is located 4.0mi. S Of US-441 in Orange County, Florida. The bridge carries SR-429 NB over CR-437a. Its coordinates are 28.633889, -81.541611. It is maintained by State Toll Authority.
SR-429 NB carries SR-429 NB over CR-437a. The bridge is 74.1 meters long and was built in 2024.
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.