BridgeSafety
San Diego County, CA · Structure #57 0125

INTERSTATE 5

INTERSTATE 5 in 11-Sd-005-R52.18-Ocn, San Diego County, California received a condition grade of C (59/100). Built in 1953, the bridge carries 203K vehicles daily on INTERSTATE 5 over Loma Alta Creek.

C
59/100
59
Condition Score
203K
Daily Traffic
1953
Year Built
42.4m
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
INTERSTATE 5
Crosses Over
Loma Alta Creek
State
California
County
San Diego County
Location
11-Sd-005-R52.18-Ocn
Year Built
1953
Reconstructed
1971
Age
73 years
Daily Traffic
203,000
Lanes
10
Length
42.4 meters
Owner
State Highway Agency
Structure Number
57 0125

About This Bridge

INTERSTATE 5 is a 73-year-old bridge located 11-Sd-005-R52.18-Ocn in San Diego County, California. The bridge carries INTERSTATE 5 over Loma Alta Creek with 10 traffic lanes, handling approximately 203K vehicles per day. Built in 1953 and reconstructed in 1971, the structure spans 42.4 meters.

The bridge received a Condition Grade of C (59/100) 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

11-Sd-005-R52.18-Ocn, San Diego County, California

33.188756, -117.360622

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Frequently Asked Questions

INTERSTATE 5 has a Condition Score of 59/100 (Grade C). 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.

INTERSTATE 5 was built in 1953 and reconstructed in 1971, making it 73 years old. The average bridge age in the United States is 48 years.

INTERSTATE 5 carries approximately 203K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 42.4 meters long and located on INTERSTATE 5 in 11-Sd-005-R52.18-Ocn, San Diego County, California.

No, INTERSTATE 5 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

INTERSTATE 5 is located 11-Sd-005-R52.18-Ocn in San Diego County, California. The bridge carries INTERSTATE 5 over Loma Alta Creek. Its coordinates are 33.188756, -117.360622. It is maintained by State Highway Agency.

INTERSTATE 5 carries INTERSTATE 5 over Loma Alta Creek. The bridge is 42.4 meters long and was built in 1953, with reconstruction in 1971.

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.