ALVARADO ST SEP
ALVARADO ST SEP in 07-La-101-2.86-La, Los Angeles County, California received a condition grade of C (56/100). Built in 1948, the bridge carries 265K vehicles daily on ALVARADO ST SEP over Route 101.
ALVARADO ST SEP carries a C on the BridgeSafety Condition Score with 56/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1948 and is now 78 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. ALVARADO ST SEP carries an average daily traffic count of 265,000 vehicles, with 10 lane(s) crossing Route 101. 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
ALVARADO ST SEP is a 78-year-old bridge located 07-La-101-2.86-La in Los Angeles County, California. The bridge carries ALVARADO ST SEP over Route 101 with 10 traffic lanes, handling approximately 265K vehicles per day. Built in 1948, the structure spans 34.4 meters.
The bridge received a Condition Grade of C (56/100) 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
ALVARADO ST SEP has a Condition Score of 56/100 (Grade C). 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.
ALVARADO ST SEP was built in 1948, making it 78 years old. The average bridge age in the United States is 48 years.
ALVARADO ST SEP carries approximately 265K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 34.4 meters long and located on ALVARADO ST SEP in 07-La-101-2.86-La, Los Angeles County, California.
No, ALVARADO ST SEP is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
ALVARADO ST SEP is located 07-La-101-2.86-La in Los Angeles County, California. The bridge carries ALVARADO ST SEP over Route 101. Its coordinates are 34.072083, -118.266686. It is maintained by State Highway Agency.
ALVARADO ST SEP carries ALVARADO ST SEP over Route 101. The bridge is 34.4 meters long and was built in 1948.
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.