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RM 12 over BLANCO RIVER

Map

Coordinates:
+29.99297, -98.08812
29°59'35" N, 98°05'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RM 12 over BLANCO RIVER
Structure number:141060028503003
Location:0.2 MI S OF RM 3237
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:60.0 ft. [18.3 m]
Total length:440.0 ft. [134.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:22°
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,880 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:67.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairSatisfactoryGoodSatisfactory988067.9
January 2015FairSatisfactoryGoodGood988064.9
May 2013FairSatisfactoryGoodGood910064.9
May 2011FairSatisfactoryGoodGood980064.9
June 2009FairSatisfactoryGoodGood980064.9
June 2007FairSatisfactoryGoodGood1020064.9
June 2005GoodGoodGoodGood1020080.0
June 2003FairSatisfactoryGoodSatisfactory1020082.0
June 2001FairSatisfactoryGoodSatisfactory1020082.0
July 1999GoodVery GoodGoodGood820082.0
June 1997FairFairGoodGood670080.0
June 1995FairFairGoodGood630080.0
May 1993GoodGoodGoodGood580077.1
May 1991GoodGoodGoodGood460079.1