BridgeSafety
San Diego County, CA · Structure #57 0365

INTERSTATE 8

INTERSTATE 8 in 11-Sd-008-15.80-Ecj, San Diego County, California received a condition grade of B (70/100). Built in 1961, the bridge carries 151K vehicles daily on INTERSTATE 8 over State Route 67.

B
70/100
70
Condition Score
151K
Daily Traffic
1961
Year Built
36.6m
Length

Component Ratings

DeckGood
7/9

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 8
Crosses Over
State Route 67
State
California
County
San Diego County
Location
11-Sd-008-15.80-Ecj
Year Built
1961
Reconstructed
1968
Age
65 years
Daily Traffic
151,000
Lanes
6
Length
36.6 meters
Owner
State Highway Agency
Structure Number
57 0365

About This Bridge

INTERSTATE 8 is a 65-year-old bridge located 11-Sd-008-15.80-Ecj in San Diego County, California. The bridge carries INTERSTATE 8 over State Route 67 with 6 traffic lanes, handling approximately 151K vehicles per day. Built in 1961 and reconstructed in 1968, the structure spans 36.6 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

11-Sd-008-15.80-Ecj, San Diego County, California

32.802889, -116.962603

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Frequently Asked Questions

INTERSTATE 8 has a Condition Score of 70/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 8 was built in 1961 and reconstructed in 1968, making it 65 years old. The average bridge age in the United States is 48 years.

INTERSTATE 8 carries approximately 151K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 36.6 meters long and located on INTERSTATE 8 in 11-Sd-008-15.80-Ecj, San Diego County, California.

No, INTERSTATE 8 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 8 is located 11-Sd-008-15.80-Ecj in San Diego County, California. The bridge carries INTERSTATE 8 over State Route 67. Its coordinates are 32.802889, -116.962603. It is maintained by State Highway Agency.

INTERSTATE 8 carries INTERSTATE 8 over State Route 67. The bridge is 36.6 meters long and was built in 1961, with reconstruction in 1968.

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.