BridgeSafety
Riverside County, CA · Structure #56 0497

MAGNOLIA AVENUE

MAGNOLIA AVENUE in 08-Riv-015-40.35-Cor, Riverside County, California received a condition grade of B (63/100). Built in 1975, the bridge carries 175K vehicles daily on MAGNOLIA AVENUE over Interstate 15.

MAGNOLIA AVENUE carries a B on the BridgeSafety Condition Score with 63/100. 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 1975 and is now 51 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. MAGNOLIA AVENUE carries an average daily traffic count of 175,283 vehicles, with 9 lane(s) crossing Interstate 15. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
63/100
63
Condition Score
175K
Daily Traffic
1975
Year Built
85m
Length

Component Ratings

DeckFair
5/9

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

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
MAGNOLIA AVENUE
Crosses Over
Interstate 15
State
California
County
Riverside County
Location
08-Riv-015-40.35-Cor
Year Built
1975
Reconstructed
2005
Age
51 years
Daily Traffic
175,283
Lanes
9
Length
85 meters
Owner
State Highway Agency
Structure Number
56 0497

About This Bridge

MAGNOLIA AVENUE is a 51-year-old bridge located 08-Riv-015-40.35-Cor in Riverside County, California. The bridge carries MAGNOLIA AVENUE over Interstate 15 with 9 traffic lanes, handling approximately 175K vehicles per day. Built in 1975 and reconstructed in 2005, the structure spans 85 meters.

The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

08-Riv-015-40.35-Cor, Riverside County, California

33.865486, -117.542558

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Frequently Asked Questions

MAGNOLIA AVENUE has a Condition Score of 63/100 (Grade B). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

MAGNOLIA AVENUE was built in 1975 and reconstructed in 2005, making it 51 years old. The average bridge age in the United States is 48 years.

MAGNOLIA AVENUE carries approximately 175K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 85 meters long and located on MAGNOLIA AVENUE in 08-Riv-015-40.35-Cor, Riverside County, California.

No, MAGNOLIA AVENUE is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

MAGNOLIA AVENUE is located 08-Riv-015-40.35-Cor in Riverside County, California. The bridge carries MAGNOLIA AVENUE over Interstate 15. Its coordinates are 33.865486, -117.542558. It is maintained by State Highway Agency.

MAGNOLIA AVENUE carries MAGNOLIA AVENUE over Interstate 15. The bridge is 85 meters long and was built in 1975, with reconstruction in 2005.

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.