BridgeSafety
Los Angeles County, CA · Structure #53 1975

SR 2

SR 2 in 07-La-002-R17.78-La, Los Angeles County, California received a condition grade of B (70/100). Built in 1976, the bridge carries 143K vehicles daily on SR 2 over Round Top DR.

SR 2 carries a B on the BridgeSafety Condition Score with 70/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.

The bridge was built in 1976 and is now 50 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. SR 2 carries an average daily traffic count of 143,000 vehicles, with 10 lane(s) crossing Round Top DR. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
70/100
70
Condition Score
143K
Daily Traffic
1976
Year Built
34.7m
Length

Component Ratings

DeckFair
5/9

The riding surface, evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
SR 2
Crosses Over
Round Top DR
State
California
County
Los Angeles County
Location
07-La-002-R17.78-La
Year Built
1976
Age
50 years
Daily Traffic
143,000
Lanes
10
Length
34.7 meters
Owner
State Highway Agency
Structure Number
53 1975

About This Bridge

SR 2 is a 50-year-old bridge located 07-La-002-R17.78-La in Los Angeles County, California. The bridge carries SR 2 over Round Top DR with 10 traffic lanes, handling approximately 143K vehicles per day. Built in 1976, the structure spans 34.7 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-002-R17.78-La, Los Angeles County, California

34.132117, -118.229078

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Frequently Asked Questions

SR 2 has a Condition Score of 70/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

SR 2 was built in 1976, making it 50 years old. The average bridge age in the United States is 48 years.

SR 2 carries approximately 143K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 34.7 meters long and located on SR 2 in 07-La-002-R17.78-La, Los Angeles County, California.

No, SR 2 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 2 is located 07-La-002-R17.78-La in Los Angeles County, California. The bridge carries SR 2 over Round Top DR. Its coordinates are 34.132117, -118.229078. It is maintained by State Highway Agency.

SR 2 carries SR 2 over Round Top DR. The bridge is 34.7 meters long and was built in 1976.

Last updated:

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.