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MIRAMAR RD over MTDB, BNSF RY, & AMTRAK

Map

Coordinates:
+32.87788, -117.17460
32°52'40" N, 117°10'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MIRAMAR RD over MTDB, BNSF RY, & AMTRAK
Structure number:57C0075
Location:1.2 MI E OF I-805
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:36.1 ft. [11.0 m]
Total length:103.0 ft. [31.4 m]
Roadway width between curbs:104.0 ft. [31.7 m]
Deck width edge-to-edge:123.0 ft. [37.5 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1975
Year reconstructed:1989
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:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:60,580 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:49.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,505,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorPoorPoorGood6058049.2
August 2015FairFairFairVery Good6058069.2
March 2013PoorPoorSatisfactoryGood6058079.5
December 2010PoorPoorSatisfactoryGood6058079.5
September 2008PoorPoorSatisfactoryGood6500078.8
November 2005PoorPoorSatisfactoryGood6500078.8
June 2003GoodGoodGoodGood6500082.2
August 2001GoodGoodGoodGood6500082.2
May 1999GoodGoodGoodGood6500083.3
April 1997GoodGoodGoodGood6500083.3
January 1995GoodVery GoodVery GoodVery Good6500082.6
December 1992GoodVery GoodVery GoodVery Good6500082.6
January 1991GoodVery GoodVery GoodVery Good6500082.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach2626000
Reinforced Concrete Abutmentlinear ft.7979000
Joints
Pourable Jointlinear ft.13021334333
Bearings
Enclosed/Concealed Bearingeach22000
Bridge Rail
Other Material Bridge Raillinear ft.6359040
Deck
Reinforced Concrete Slabsq. ft.1,1781866123800