US 71 N over CST 29TH ST


+39.07379, -94.56114
39°04'26" N, 94°33'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 71 N over CST 29TH ST
Structure number:12000
Location:S 16 T 49 N R 33 W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:78.1 ft. [23.8 m]
Total length:194.9 ft. [59.4 m]
Roadway width between curbs:55.1 ft. [16.8 m]
Deck width edge-to-edge:57.4 ft. [17.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1999
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:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:38,957 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Excellent [9 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017GoodVery GoodExcellentVery Good3895798.2
September 2015GoodVery GoodExcellentVery Good3668598.3
September 2013GoodVery GoodExcellentVery Good3668598.3
September 2011GoodVery GoodExcellentVery Good3591998.3
January 2010GoodVery GoodExcellentExcellent3624098.3
January 2008GoodExcellentExcellentExcellent3499598.4
November 2005GoodExcellentExcellentExcellent2405696.9
November 2003GoodExcellentExcellentExcellent2432396.9
October 2001GoodExcellentExcellentExcellent2624798.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,2921,292000
Reinforced Concrete Decksq. ft.11,26511,10016500
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.2001802000
Reinforced Concrete Pier Caplinear ft.118595900
Compression Jointlinear ft.116585800
Elastomeric Bearingeach1414000
Enclosed/Concealed Bearingeach2828000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.470470000