INTERSTATE 15
INTERSTATE 15 in 08-Riv-015-6.05-Tmca, Riverside County, California received a condition grade of F (0/100). Built in 1976, the bridge carries 163K vehicles daily on INTERSTATE 15 over Waddell Wash. It is classified as structurally deficient.
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 15 is a 50-year-old bridge located 08-Riv-015-6.05-Tmca in Riverside County, California. The bridge carries INTERSTATE 15 over Waddell Wash with 8 traffic lanes, handling approximately 163K vehicles per day. Built in 1976, the structure spans 9.8 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 15 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 15 was built in 1976, making it 50 years old. The average bridge age in the United States is 48 years.
INTERSTATE 15 carries approximately 163K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 9.8 meters long and located on INTERSTATE 15 in 08-Riv-015-6.05-Tmca, Riverside County, California.
Yes, INTERSTATE 15 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
INTERSTATE 15 is located 08-Riv-015-6.05-Tmca in Riverside County, California. The bridge carries INTERSTATE 15 over Waddell Wash. Its coordinates are 33.515381, -117.157917. It is maintained by State Highway Agency.
INTERSTATE 15 carries INTERSTATE 15 over Waddell Wash. The bridge is 9.8 meters long and was built in 1976.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.