INTERSTATE 605
INTERSTATE 605 in 12-Ora-605-R0.16-Lalm, Orange County, California received a condition grade of B (73/100). Built in 1966, the bridge carries 185K vehicles daily on INTERSTATE 605 over E22-N405 Connector Ramp.
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
INTERSTATE 605 is a 60-year-old bridge located 12-Ora-605-R0.16-Lalm in Orange County, California. The bridge carries INTERSTATE 605 over E22-N405 Connector Ramp with 6 traffic lanes, handling approximately 185K vehicles per day. Built in 1966, the structure spans 10.4 meters.
The bridge received a Condition Grade of B (73/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 605 has a Condition Score of 73/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 605 was built in 1966, making it 60 years old. The average bridge age in the United States is 48 years.
INTERSTATE 605 carries approximately 185K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 10.4 meters long and located on INTERSTATE 605 in 12-Ora-605-R0.16-Lalm, Orange County, California.
No, INTERSTATE 605 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE 605 is located 12-Ora-605-R0.16-Lalm in Orange County, California. The bridge carries INTERSTATE 605 over E22-N405 Connector Ramp. Its coordinates are 33.786139, -118.090469. It is maintained by State Highway Agency.
INTERSTATE 605 carries INTERSTATE 605 over E22-N405 Connector Ramp. The bridge is 10.4 meters long and was built in 1966.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.