I-5 & RAMPS
I-5 & RAMPS in 11-Sd-005-R10.01-Natc, San Diego County, California received a condition grade of F (0/100). Built in 1965, the bridge carries 154K vehicles daily on I-5 & RAMPS over Paradise Creek. It is classified as structurally deficient.
I-5 & RAMPS carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1965 and is now 61 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. I-5 & RAMPS carries an average daily traffic count of 154,000 vehicles, with 14 lane(s) crossing Paradise Creek. 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
I-5 & RAMPS is a 61-year-old bridge located 11-Sd-005-R10.01-Natc in San Diego County, California. The bridge carries I-5 & RAMPS over Paradise Creek with 14 traffic lanes, handling approximately 154K vehicles per day. Built in 1965 and reconstructed in 1989, the structure spans 11 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
I-5 & RAMPS 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.
I-5 & RAMPS was built in 1965 and reconstructed in 1989, making it 61 years old. The average bridge age in the United States is 48 years.
I-5 & RAMPS carries approximately 154K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 11 meters long and located on I-5 & RAMPS in 11-Sd-005-R10.01-Natc, San Diego County, California.
Yes, I-5 & RAMPS 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.
I-5 & RAMPS is located 11-Sd-005-R10.01-Natc in San Diego County, California. The bridge carries I-5 & RAMPS over Paradise Creek. Its coordinates are 32.659539, -117.107319. It is maintained by State Highway Agency.
I-5 & RAMPS carries I-5 & RAMPS over Paradise Creek. The bridge is 11 meters long and was built in 1965, with reconstruction in 1989.
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.