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BURLINGAME SB over I-470 HWY NL-SL

Map

Coordinates:
+38.99778, -95.70583
38°59'52" N, 95°42'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BURLINGAME SB over I-470 HWY NL-SL
Structure number:999947000892461
Location:JCT BURLINGAME /470/75
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:129.9 ft. [39.6 m]
Total length:257.6 ft. [78.5 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:49.2 ft. [15.0 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:19°
Owner:State Highway Agency [01]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Not applicable [N]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10,810 [as of 2004]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.9
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$346,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodGoodGoodVery Good1081093.9
May 2014GoodGoodGoodVery Good1081093.9
May 2012GoodVery GoodGoodVery Good1081093.9
May 2010GoodVery GoodGoodVery Good1081093.9
April 2008GoodVery GoodVery GoodVery Good1081093.9
May 2006GoodVery GoodVery GoodVery Good1081079.7
May 2004GoodVery GoodVery GoodVery Good-91.0
April 2002GoodVery GoodVery GoodVery Good191.0
February 2000GoodVery GoodVery GoodVery Good191.0
May 1998GoodVery GoodVery GoodVery Good191.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,5181,4506800
Steel Protective Coatingsq. ft.10,75310,2153230215
Deck
Reinforced Concrete Decksq. ft.9,8679,660197100
Wearing Surfacessq. ft.9,8679,660197100
Substructure
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.105105000
Reinforced Concrete Pier Caplinear ft.5050000
Joints
Strip Seal Jointlinear ft.105105000
Bearings
Elastomeric Bearingeach1818000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2532401300