INTERSTATE 205
INTERSTATE 205 in 04-Ala-205-0.28, Alameda County, California received a condition grade of B (65/100). Built in 1966, the bridge carries 122K vehicles daily on INTERSTATE 205 over California Aqueduct.
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 205 is a 60-year-old bridge located 04-Ala-205-0.28 in Alameda County, California. The bridge carries INTERSTATE 205 over California Aqueduct with 6 traffic lanes, handling approximately 122K vehicles per day. Built in 1966 and reconstructed in 1997, the structure spans 47.2 meters.
The bridge received a Condition Grade of B (65/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 205 has a Condition Score of 65/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 205 was built in 1966 and reconstructed in 1997, making it 60 years old. The average bridge age in the United States is 48 years.
INTERSTATE 205 carries approximately 122K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 47.2 meters long and located on INTERSTATE 205 in 04-Ala-205-0.28, Alameda County, California.
No, INTERSTATE 205 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 205 is located 04-Ala-205-0.28 in Alameda County, California. The bridge carries INTERSTATE 205 over California Aqueduct. Its coordinates are 37.742689, -121.560336. It is maintained by State Highway Agency.
INTERSTATE 205 carries INTERSTATE 205 over California Aqueduct. The bridge is 47.2 meters long and was built in 1966, with reconstruction in 1997.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.