INTERSTATE 5
INTERSTATE 5 in 12-Ora-005-40.20-Ana, Orange County, California received a condition grade of F (0/100). Built in 2002, the bridge carries 260K vehicles daily on INTERSTATE 5 over Carbon Creek. It is classified as structurally deficient.
INTERSTATE 5 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 2002 and is 24 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. INTERSTATE 5 carries an average daily traffic count of 259,800 vehicles, with 12 lane(s) crossing Carbon 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
INTERSTATE 5 is a 24-year-old bridge located 12-Ora-005-40.20-Ana in Orange County, California. The bridge carries INTERSTATE 5 over Carbon Creek with 12 traffic lanes, handling approximately 260K vehicles per day. Built in 2002, 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 5 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 5 was built in 2002, making it 24 years old. The average bridge age in the United States is 48 years.
INTERSTATE 5 carries approximately 260K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 9.8 meters long and located on INTERSTATE 5 in 12-Ora-005-40.20-Ana, Orange County, California.
Yes, INTERSTATE 5 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 5 is located 12-Ora-005-40.20-Ana in Orange County, California. The bridge carries INTERSTATE 5 over Carbon Creek. Its coordinates are 33.841614, -117.951728. It is maintained by State Highway Agency.
INTERSTATE 5 carries INTERSTATE 5 over Carbon Creek. The bridge is 9.8 meters long and was built in 2002.
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.