Share:

STATE ROUTE 75 over SAN DIEGO BAY, HARBOR DR

Map 

Coordinates:
+32.68833, -117.16333
32°41'18" N, 117°09'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:STATE ROUTE 75 over SAN DIEGO BAY, HARBOR DR
Structure number:57 0857
Location:11-SD-075-R20.49-SD
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:660.1 ft. [201.2 m]
Total length:7423.3 ft. [2262.5 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:193.9 ft. [59.1 m]
Owner:State Highway Agency [01]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Orthotropic [08]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:78,000 [as of 2009]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:64.1 tons [58.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:83.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201483.0Not deficientSatisfactoryVery GoodGood78000
July 201283.0Not deficientGoodGoodGood78000
July 201180.0Structurally deficientPoorGoodGood78000
August 200880.0Structurally deficientPoorGoodGood78000
August 200680.0Structurally deficientPoorGoodGood78000
January 200780.0Structurally deficientPoorGoodGood78000
February 200483.0Not deficientGoodGoodGood78000
February 200260.9Functionally obsoleteSatisfactoryGoodFair64600
April 200071.9Functionally obsoleteSatisfactoryGoodGood64600
November 199971.9Functionally obsoleteSatisfactoryGoodGood64600
March 199871.9Functionally obsoleteSatisfactoryGoodGood64600
May 199769.9Functionally obsoleteGoodGoodGood64600
December 199475.9Functionally obsoleteSatisfactoryGoodVery Good64600
April 199275.9Functionally obsoleteSatisfactoryGoodVery Good63000