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SH 29 over SOUTH SAN GABRIEL RIVER

Map

Coordinates:
+30.63316, -97.68476
30°37'59" N, 97°41'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 29 over SOUTH SAN GABRIEL RIVER
Structure number:142460033701005
Location:0.4 MI E OF IH 35
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:102.0 ft. [31.1 m]
Total length:303.2 ft. [92.4 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:79.1 ft. [24.1 m]
Owner:State Highway Agency [01]
Year built:1938
Year reconstructed:1997
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:23,680 [as of 2013]
Truck traffic:15% of total traffic
Deck condition:Good [7 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodVery GoodGood2368096.0
May 2015GoodGoodVery GoodGood2368096.0
June 2013GoodGoodVery GoodGood2100096.0
September 2011GoodGoodVery GoodGood2200096.0
September 2009GoodGoodVery GoodGood2300096.0
November 2007GoodGoodGoodGood1760096.0
December 2005GoodGoodVery GoodGood1850096.0
October 2003GoodVery GoodVery GoodGood1980096.0
October 2001GoodVery GoodVery GoodGood2300096.0
November 1999GoodVery GoodVery GoodGood1770077.9
March 1998GoodVery GoodVery GoodGood1440077.9
January 1998GoodVery GoodVery GoodVery Good1440077.9
June 1996FairFairSatisfactoryGood1440058.9
April 1994FairFairSatisfactoryGood1390058.9
May 1992FairGoodSatisfactoryGood1320064.6
April 1990FairGoodSatisfactoryGood1180064.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,5232,523000
Deck
Prestressed Concrete Decksq. ft.23,96823,66830000
Substructure
Reinforced Concrete Pier Walllinear ft.56411500
Reinforced Concrete Abutmentlinear ft.1581085000
Reinforced Concrete Pier Caplinear ft.1561461000
Bearings
Elastomeric Bearingeach5454000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.736736000