RAMP/CONNECTOR 405
RAMP/CONNECTOR 405 in 12-Ora-405-6.86-Irvn, Orange County, California received a condition grade of F (0/100). Built in 1968, the bridge carries 240K vehicles daily on RAMP/CONNECTOR 405 over Lane Channel. It is classified as structurally deficient.
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
RAMP/CONNECTOR 405 is a 58-year-old bridge located 12-Ora-405-6.86-Irvn in Orange County, California. The bridge carries RAMP/CONNECTOR 405 over Lane Channel with 3 traffic lanes, handling approximately 240K vehicles per day. Built in 1968, the structure spans 11.9 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RAMP/CONNECTOR 405 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
RAMP/CONNECTOR 405 was built in 1968, making it 58 years old. The average bridge age in the United States is 48 years.
RAMP/CONNECTOR 405 carries approximately 240K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 11.9 meters long and located on RAMP/CONNECTOR 405 in 12-Ora-405-6.86-Irvn, Orange County, California.
Yes, RAMP/CONNECTOR 405 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
RAMP/CONNECTOR 405 is located 12-Ora-405-6.86-Irvn in Orange County, California. The bridge carries RAMP/CONNECTOR 405 over Lane Channel. Its coordinates are 33.676433, -117.841081. It is maintained by State Highway Agency.
RAMP/CONNECTOR 405 carries RAMP/CONNECTOR 405 over Lane Channel. The bridge is 11.9 meters long and was built in 1968.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.